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1056897471 = 37791514219
BaseRepresentation
bin111110111111101…
…111100110111111
32201122201221202210
4332333233212333
54131031204341
6252512551503
735122323510
oct7677574677
92648657683
101056897471
114a2655793
12255b52593
1313ac6bc26
14a051ca07
1562bbec16
hex3efef9bf

1056897471 has 32 divisors (see below), whose sum is σ = 1642086400. Its totient is φ = 592207200.

The previous prime is 1056897461. The next prime is 1056897487. The reversal of 1056897471 is 1747986501.

It is not a de Polignac number, because 1056897471 - 27 = 1056897343 is a prime.

It is a super-3 number, since 3×10568974713 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 1056897471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056897421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248400 + ... + 252618.

It is an arithmetic number, because the mean of its divisors is an integer number (51315200).

Almost surely, 21056897471 is an apocalyptic number.

1056897471 is a deficient number, since it is larger than the sum of its proper divisors (585188929).

1056897471 is a wasteful number, since it uses less digits than its factorization.

1056897471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459.

The product of its (nonzero) digits is 423360, while the sum is 48.

The square root of 1056897471 is about 32509.9595662622. The cubic root of 1056897471 is about 1018.6170772364.

The spelling of 1056897471 in words is "one billion, fifty-six million, eight hundred ninety-seven thousand, four hundred seventy-one".

Divisors: 1 3 7 21 79 151 237 453 553 1057 1659 3171 4219 11929 12657 29533 35787 83503 88599 250509 333301 637069 999903 1911207 2333107 4459483 6999321 13378449 50328451 150985353 352299157 1056897471