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1053457805 = 5601135051
BaseRepresentation
bin111110110010100…
…111110110001101
32201102021012102202
4332302213312031
54124141122210
6252311131245
735051146361
oct7662476615
92642235382
101053457805
114a0716494
12254973b25
1313a33641a
149dca52a1
15627409a5
hex3eca7d8d

1053457805 has 8 divisors (see below), whose sum is σ = 1264395744. Its totient is φ = 842602000.

The previous prime is 1053457777. The next prime is 1053457807. The reversal of 1053457805 is 5087543501.

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

It is not a de Polignac number, because 1053457805 - 228 = 785022349 is a prime.

It is a super-2 number, since 2×10534578052 = 2219546693830836050, 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 (1053457807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12530 + ... + 47580.

It is an arithmetic number, because the mean of its divisors is an integer number (158049468).

Almost surely, 21053457805 is an apocalyptic number.

It is an amenable number.

1053457805 is a deficient number, since it is larger than the sum of its proper divisors (210937939).

1053457805 is an equidigital number, since it uses as much as digits as its factorization.

1053457805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41067.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 1053457805 is about 32457.0147271742. The cubic root of 1053457805 is about 1017.5108487274.

The spelling of 1053457805 in words is "one billion, fifty-three million, four hundred fifty-seven thousand, eight hundred five".

Divisors: 1 5 6011 30055 35051 175255 210691561 1053457805