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1057555933 = 7241762507
BaseRepresentation
bin111111000010010…
…000010111011101
32201200222102000021
4333002100113131
54131213242213
6252535032141
735131035310
oct7702202735
92650872007
101057555933
114a2a65475
1225620b651
1313b13c855
14a0650977
1562c9ed8d
hex3f0905dd

1057555933 has 8 divisors (see below), whose sum is σ = 1209154752. Its totient is φ = 906086976.

The previous prime is 1057555921. The next prime is 1057555957. The reversal of 1057555933 is 3395557501.

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

It is a cyclic number.

It is not a de Polignac number, because 1057555933 - 213 = 1057547741 is a prime.

It is a super-2 number, since 2×10575559332 = 2236849102847000978, which contains 22 as substring.

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 1057555933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057555913) 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, 14335 + ... + 48172.

It is an arithmetic number, because the mean of its divisors is an integer number (151144344).

Almost surely, 21057555933 is an apocalyptic number.

It is an amenable number.

1057555933 is a deficient number, since it is larger than the sum of its proper divisors (151598819).

1057555933 is an equidigital number, since it uses as much as digits as its factorization.

1057555933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64931.

The product of its (nonzero) digits is 354375, while the sum is 43.

The square root of 1057555933 is about 32520.0850706144. The cubic root of 1057555933 is about 1018.8285709132.

The spelling of 1057555933 in words is "one billion, fifty-seven million, five hundred fifty-five thousand, nine hundred thirty-three".

Divisors: 1 7 2417 16919 62507 437549 151079419 1057555933