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232445340 = 223251936691
BaseRepresentation
bin11011101101011…
…01010110011100
3121012101110001200
431312231112130
5434001222330
635022035500
75521516131
oct1566552634
9535343050
10232445340
1110a233696
1265a18b90
133920732a
1422c2a588
1515617a60
hexddad59c

232445340 has 72 divisors (see below), whose sum is σ = 708843408. Its totient is φ = 61655040.

The previous prime is 232445329. The next prime is 232445371. The reversal of 232445340 is 43544232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31395 + ... + 38085.

Almost surely, 2232445340 is an apocalyptic number.

232445340 is a gapful number since it is divisible by the number (20) 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 232445340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354421704).

232445340 is an abundant number, since it is smaller than the sum of its proper divisors (476398068).

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

232445340 is a wasteful number, since it uses less digits than its factorization.

232445340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6899 (or 6894 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 232445340 is about 15246.1582046101. The cubic root of 232445340 is about 614.8562821026.

Adding to 232445340 its reverse (43544232), we get a palindrome (275989572).

The spelling of 232445340 in words is "two hundred thirty-two million, four hundred forty-five thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 193 386 579 772 965 1158 1737 1930 2316 2895 3474 3860 5790 6691 6948 8685 11580 13382 17370 20073 26764 33455 34740 40146 60219 66910 80292 100365 120438 133820 200730 240876 301095 401460 602190 1204380 1291363 2582726 3874089 5165452 6456815 7748178 11622267 12913630 15496356 19370445 23244534 25827260 38740890 46489068 58111335 77481780 116222670 232445340