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1057229477 = 23109421711
BaseRepresentation
bin111111000001000…
…000101010100101
32201200100211012022
4333001000222211
54131122320402
6252524032525
735125205453
oct7701005245
92650324168
101057229477
114a2862177
12256092745
1313b057095
14a05a79d3
1562c382a2
hex3f040aa5

1057229477 has 8 divisors (see below), whose sum is σ = 1113319680. Its totient is φ = 1001982960.

The previous prime is 1057229447. The next prime is 1057229513. The reversal of 1057229477 is 7749227501.

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 1057229477 - 212 = 1057225381 is a prime.

It is a super-2 number, since 2×10572294772 = 2235468334075387058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057229447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208349 + ... + 213362.

It is an arithmetic number, because the mean of its divisors is an integer number (139164960).

Almost surely, 21057229477 is an apocalyptic number.

It is an amenable number.

1057229477 is a deficient number, since it is larger than the sum of its proper divisors (56090203).

1057229477 is a wasteful number, since it uses less digits than its factorization.

1057229477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421843.

The product of its (nonzero) digits is 246960, while the sum is 44.

The square root of 1057229477 is about 32515.0653851411. The cubic root of 1057229477 is about 1018.7237263627.

The spelling of 1057229477 in words is "one billion, fifty-seven million, two hundred twenty-nine thousand, four hundred seventy-seven".

Divisors: 1 23 109 2507 421711 9699353 45966499 1057229477