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34256940 = 2235570949
BaseRepresentation
bin1000001010101…
…1100000101100
32101110102200120
42002223200230
532232210230
63222124540
7564115314
oct202534054
971412616
1034256940
1118378823
12b580750
1371357a3
14479a444
15301a310
hex20ab82c

34256940 has 24 divisors (see below), whose sum is σ = 95919600. Its totient is φ = 9135168.

The previous prime is 34256927. The next prime is 34256947. The reversal of 34256940 is 4965243.

It is not an unprimeable number, because it can be changed into a prime (34256947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285415 + ... + 285534.

It is an arithmetic number, because the mean of its divisors is an integer number (3996650).

Almost surely, 234256940 is an apocalyptic number.

34256940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34256940 is an abundant number, since it is smaller than the sum of its proper divisors (61662660).

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

34256940 is a wasteful number, since it uses less digits than its factorization.

34256940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570961 (or 570959 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 34256940 is about 5852.9428495416. The cubic root of 34256940 is about 324.7751975973.

The spelling of 34256940 in words is "thirty-four million, two hundred fifty-six thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 570949 1141898 1712847 2283796 2854745 3425694 5709490 6851388 8564235 11418980 17128470 34256940