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34345472 = 2972372
BaseRepresentation
bin1000001100000…
…1001000000000
32101121221010112
42003001020000
532243023342
63224050452
7564634400
oct203011000
971557115
1034345472
1118429297
12b603a28
137166b85
1447c0800
153036682
hex20c1200

34345472 has 90 divisors (see below), whose sum is σ = 82043577. Its totient is φ = 14321664.

The previous prime is 34345471. The next prime is 34345481. The reversal of 34345472 is 27454343.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 27709696 + 6635776 = 5264^2 + 2576^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=4144.

It is a super-2 number, since 2×343454722 = 2359222893805568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (34345471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 928238 + ... + 928274.

Almost surely, 234345472 is an apocalyptic number.

34345472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34345472

34345472 is an abundant number, since it is smaller than the sum of its proper divisors (47698105).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34345472 is an frugal number, since it uses more digits than its factorization.

34345472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 46 counting only the distinct ones).

The product of its digits is 40320, while the sum is 32.

The square root of 34345472 is about 5860.5010024741. The cubic root of 34345472 is about 325.0547347656.

Multiplying 34345472 by its sum of digits (32), we get a square (1099055104 = 331522).

34345472 divided by its sum of digits (32) gives a square (1073296 = 10362).

The spelling of 34345472 in words is "thirty-four million, three hundred forty-five thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 37 49 56 64 74 98 112 128 148 196 224 256 259 296 392 448 512 518 592 784 896 1036 1184 1369 1568 1792 1813 2072 2368 2738 3136 3584 3626 4144 4736 5476 6272 7252 8288 9472 9583 10952 12544 14504 16576 18944 19166 21904 25088 29008 33152 38332 43808 58016 66304 67081 76664 87616 116032 132608 134162 153328 175232 232064 268324 306656 350464 464128 536648 613312 700928 928256 1073296 1226624 2146592 2453248 4293184 4906496 8586368 17172736 34345472