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838873057 = 11137556651
BaseRepresentation
bin110010000000000…
…010111111100001
32011110111011111111
4302000002333201
53204222414212
6215123543321
726534206021
oct6200027741
92143434444
10838873057
113a0581820
121b4b2ab41
13104a437b9
147d5a7a81
154d9a4ea7
hex32002fe1

838873057 has 8 divisors (see below), whose sum is σ = 921815712. Its totient is φ = 757044000.

The previous prime is 838873039. The next prime is 838873073. The reversal of 838873057 is 750378838.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-838873057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 838873057.

It is not an unprimeable number, because it can be changed into a prime (838876057) 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, 276819 + ... + 279832.

It is an arithmetic number, because the mean of its divisors is an integer number (115226964).

Almost surely, 2838873057 is an apocalyptic number.

It is an amenable number.

838873057 is a deficient number, since it is larger than the sum of its proper divisors (82942655).

838873057 is a wasteful number, since it uses less digits than its factorization.

838873057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556799.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The square root of 838873057 is about 28963.3053534986. The cubic root of 838873057 is about 943.1166570514.

The spelling of 838873057 in words is "eight hundred thirty-eight million, eight hundred seventy-three thousand, fifty-seven".

Divisors: 1 11 137 1507 556651 6123161 76261187 838873057