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2057549701 = 3166372571
BaseRepresentation
bin111101010100011…
…1011011110000101
312022101122100120111
41322220323132011
513203213042301
6540100233021
7101662612114
oct17250733605
95271570514
102057549701
119664845a9
1249509b771
1326a376c3c
14157399c7b
15c097e551
hex7aa3b785

2057549701 has 4 divisors (see below), whose sum is σ = 2123922304. Its totient is φ = 1991177100.

The previous prime is 2057549693. The next prime is 2057549737. The reversal of 2057549701 is 1079457502.

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.

It is a cyclic number.

It is not a de Polignac number, because 2057549701 - 23 = 2057549693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057543701) 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, 33186255 + ... + 33186316.

It is an arithmetic number, because the mean of its divisors is an integer number (530980576).

Almost surely, 22057549701 is an apocalyptic number.

It is an amenable number.

2057549701 is a deficient number, since it is larger than the sum of its proper divisors (66372603).

2057549701 is an equidigital number, since it uses as much as digits as its factorization.

2057549701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66372602.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 2057549701 is about 45360.2215713283. The cubic root of 2057549701 is about 1271.8916363803.

The spelling of 2057549701 in words is "two billion, fifty-seven million, five hundred forty-nine thousand, seven hundred one".

Divisors: 1 31 66372571 2057549701