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34428900 = 223521110433
BaseRepresentation
bin1000001101010…
…1011111100100
32101210011120110
42003111133210
532303211100
63225533020
7565432542
oct203253744
971704513
1034428900
1118485a40
12b644170
137195b3c
144802d92
153051250
hex20d57e4

34428900 has 72 divisors (see below), whose sum is σ = 108680544. Its totient is φ = 8345600.

The previous prime is 34428881. The next prime is 34428913. The reversal of 34428900 is 982443.

It is a happy number.

34428900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1917 + ... + 8516.

It is an arithmetic number, because the mean of its divisors is an integer number (1509452).

Almost surely, 234428900 is an apocalyptic number.

34428900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34428900 is an abundant number, since it is smaller than the sum of its proper divisors (74251644).

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

34428900 is a wasteful number, since it uses less digits than its factorization.

34428900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10461 (or 10454 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 34428900 is about 5867.6145067651. The cubic root of 34428900 is about 325.3177169152.

The spelling of 34428900 in words is "thirty-four million, four hundred twenty-eight thousand, nine hundred".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 25 30 33 44 50 55 60 66 75 100 110 132 150 165 220 275 300 330 550 660 825 1100 1650 3300 10433 20866 31299 41732 52165 62598 104330 114763 125196 156495 208660 229526 260825 312990 344289 459052 521650 573815 625980 688578 782475 1043300 1147630 1377156 1564950 1721445 2295260 2869075 3129900 3442890 5738150 6885780 8607225 11476300 17214450 34428900