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34257256 = 2311389287
BaseRepresentation
bin1000001010101…
…1100101101000
32101110110010021
42002223211220
532232213011
63222130224
7564116245
oct202534550
971413107
1034257256
1118378a90
12b580974
137135987
14479a5cc
15301a471
hex20ab968

34257256 has 16 divisors (see below), whose sum is σ = 70071840. Its totient is φ = 15571440.

The previous prime is 34257241. The next prime is 34257269. The reversal of 34257256 is 65275243.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194556 + ... + 194731.

It is an arithmetic number, because the mean of its divisors is an integer number (4379490).

Almost surely, 234257256 is an apocalyptic number.

It is an amenable number.

34257256 is an abundant number, since it is smaller than the sum of its proper divisors (35814584).

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

34257256 is a wasteful number, since it uses less digits than its factorization.

34257256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389304 (or 389300 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 34257256 is about 5852.9698444465. The cubic root of 34257256 is about 324.7761962139.

The spelling of 34257256 in words is "thirty-four million, two hundred fifty-seven thousand, two hundred fifty-six".

Divisors: 1 2 4 8 11 22 44 88 389287 778574 1557148 3114296 4282157 8564314 17128628 34257256