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1057048829 = 4919214891
BaseRepresentation
bin111111000000010…
…100100011111101
32201200000122101122
4333000110203331
54131101030304
6252520120325
735123524004
oct7700244375
92650018348
101057048829
114a2749481
122560060a5
1313acc2aa5
14a055bc3b
1562bee9be
hex3f0148fd

1057048829 has 4 divisors (see below), whose sum is σ = 1057268640. Its totient is φ = 1056829020.

The previous prime is 1057048807. The next prime is 1057048843. The reversal of 1057048829 is 9288407501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9288407501 = 44699207799.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1057048829 is a prime.

It is a super-2 number, since 2×10570488292 = 2234704453780542482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1057048829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057048129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102527 + ... + 112364.

It is an arithmetic number, because the mean of its divisors is an integer number (264317160).

Almost surely, 21057048829 is an apocalyptic number.

It is an amenable number.

1057048829 is a deficient number, since it is larger than the sum of its proper divisors (219811).

1057048829 is an equidigital number, since it uses as much as digits as its factorization.

1057048829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219810.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 1057048829 is about 32512.2873541681. The cubic root of 1057048829 is about 1018.6657002071.

The spelling of 1057048829 in words is "one billion, fifty-seven million, forty-eight thousand, eight hundred twenty-nine".

Divisors: 1 4919 214891 1057048829