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1057005069 = 37931314249
BaseRepresentation
bin111111000000001…
…001111000001101
32201122221102100220
4333000021320031
54131043130234
6252515141553
735123252301
oct7700117015
92648842326
101057005069
114a271960a
12255ba48b9
1313aca8bb3
14a0549d01
1562be1a49
hex3f009e0d

1057005069 has 16 divisors (see below), whose sum is σ = 1431840000. Its totient is φ = 693478656.

The previous prime is 1057005013. The next prime is 1057005091. The reversal of 1057005069 is 9605007501.

It is not a de Polignac number, because 1057005069 - 217 = 1056873997 is a prime.

It is a super-2 number, since 2×10570050692 = 2234519431783389522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057025069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67057 + ... + 81305.

It is an arithmetic number, because the mean of its divisors is an integer number (89490000).

Almost surely, 21057005069 is an apocalyptic number.

It is an amenable number.

1057005069 is a deficient number, since it is larger than the sum of its proper divisors (374834931).

1057005069 is a wasteful number, since it uses less digits than its factorization.

1057005069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14644.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 1057005069 is about 32511.6143708675. The cubic root of 1057005069 is about 1018.6516430116.

The spelling of 1057005069 in words is "one billion, fifty-seven million, five thousand, sixty-nine".

Divisors: 1 3 79 237 313 939 14249 24727 42747 74181 1125671 3377013 4459937 13379811 352335023 1057005069