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1057276111 = 3137699049
BaseRepresentation
bin111111000001001…
…100000011001111
32201200110012011111
4333001030003033
54131130313421
6252525032451
735125461433
oct7701140317
92650405144
101057276111
114a2894211
122560b5727
1313b072388
14a05ba9c3
1562c46ee1
hex3f04c0cf

1057276111 has 8 divisors (see below), whose sum is σ = 1091792000. Its totient is φ = 1022785920.

The previous prime is 1057276091. The next prime is 1057276153. The reversal of 1057276111 is 1116727501.

It is a happy number.

1057276111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1057276111 - 25 = 1057276079 is a prime.

It is a super-2 number, since 2×10572761112 = 2235665549782568642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057276711) 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, 112315 + ... + 121363.

It is an arithmetic number, because the mean of its divisors is an integer number (136474000).

Almost surely, 21057276111 is an apocalyptic number.

1057276111 is the 14542-nd centered decagonal number.

1057276111 is a deficient number, since it is larger than the sum of its proper divisors (34515889).

1057276111 is an equidigital number, since it uses as much as digits as its factorization.

1057276111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12849.

The product of its (nonzero) digits is 2940, while the sum is 31.

The square root of 1057276111 is about 32515.7824909689. The cubic root of 1057276111 is about 1018.7387046510.

The spelling of 1057276111 in words is "one billion, fifty-seven million, two hundred seventy-six thousand, one hundred eleven".

Divisors: 1 31 3769 9049 116839 280519 34105681 1057276111