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929870057 = 3792453483
BaseRepresentation
bin110111011011001…
…011000011101001
32101210201021220202
4313123023003221
53401021320212
6232134201545
732020523264
oct6733130351
92353637822
10929870057
11437984156
1221b4b32b5
1311a85448c
148b6d3cdb
155697c0c2
hex376cb0e9

929870057 has 4 divisors (see below), whose sum is σ = 932323920. Its totient is φ = 927416196.

The previous prime is 929870047. The next prime is 929870093. The reversal of 929870057 is 750078929.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 929870057 - 210 = 929869033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 929869993 and 929870020.

It is not an unprimeable number, because it can be changed into a prime (929870027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1226363 + ... + 1227120.

It is an arithmetic number, because the mean of its divisors is an integer number (233080980).

Almost surely, 2929870057 is an apocalyptic number.

It is an amenable number.

929870057 is a deficient number, since it is larger than the sum of its proper divisors (2453863).

929870057 is a wasteful number, since it uses less digits than its factorization.

929870057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453862.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 929870057 is about 30493.7707901138. The cubic root of 929870057 is about 976.0545441305.

The spelling of 929870057 in words is "nine hundred twenty-nine million, eight hundred seventy thousand, fifty-seven".

Divisors: 1 379 2453483 929870057