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2957540457 = 3985846819
BaseRepresentation
bin1011000001001000…
…0111110001101001
321122010010121210110
42300102013301221
522024112243312
61205250204533
7133201451634
oct26022076151
97563117713
102957540457
1112884aaa13
126a6583749
13381969351
14200b12c1b
151249a843c
hexb0487c69

2957540457 has 4 divisors (see below), whose sum is σ = 3943387280. Its totient is φ = 1971693636.

The previous prime is 2957540449. The next prime is 2957540483. The reversal of 2957540457 is 7540457592.

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 not a de Polignac number, because 2957540457 - 23 = 2957540449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2957540447) 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, 492923407 + ... + 492923412.

It is an arithmetic number, because the mean of its divisors is an integer number (985846820).

Almost surely, 22957540457 is an apocalyptic number.

It is an amenable number.

2957540457 is a deficient number, since it is larger than the sum of its proper divisors (985846823).

2957540457 is an equidigital number, since it uses as much as digits as its factorization.

2957540457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985846822.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The square root of 2957540457 is about 54383.2736877801. The cubic root of 2957540457 is about 1435.4130756896.

The spelling of 2957540457 in words is "two billion, nine hundred fifty-seven million, five hundred forty thousand, four hundred fifty-seven".

Divisors: 1 3 985846819 2957540457