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30457926 = 2321692107
BaseRepresentation
bin111010000110…
…0000001000110
32010022102102100
41310030001012
530244123201
63004452530
7516613422
oct164140106
963272370
1030457926
1116213544
12a24a146
136405555
14408bb82
152a19886
hex1d0c046

30457926 has 12 divisors (see below), whose sum is σ = 65992212. Its totient is φ = 10152636.

The previous prime is 30457913. The next prime is 30457937. The reversal of 30457926 is 62975403.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 846036 + ... + 846071.

It is an arithmetic number, because the mean of its divisors is an integer number (5499351).

Almost surely, 230457926 is an apocalyptic number.

30457926 is an abundant number, since it is smaller than the sum of its proper divisors (35534286).

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

30457926 is a wasteful number, since it uses less digits than its factorization.

30457926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692115 (or 1692112 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 30457926 is about 5518.8699930330. The cubic root of 30457926 is about 312.2962546032.

The spelling of 30457926 in words is "thirty million, four hundred fifty-seven thousand, nine hundred twenty-six".

Divisors: 1 2 3 6 9 18 1692107 3384214 5076321 10152642 15228963 30457926