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2257042567 = 13173618659
BaseRepresentation
bin1000011010000111…
…1011110010000111
312211022000122100011
42012201323302013
514110300330232
61011544131051
7106634355013
oct20641736207
95738018304
102257042567
11a5905053a
1252ba66a87
1329c7b4460
14175a89543
15d3238547
hex8687bc87

2257042567 has 4 divisors (see below), whose sum is σ = 2430661240. Its totient is φ = 2083423896.

The previous prime is 2257042477. The next prime is 2257042583. The reversal of 2257042567 is 7652407522.

2257042567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2257042567 - 211 = 2257040519 is a prime.

It is a super-4 number, since 4×22570425674 (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257042967) 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, 86809317 + ... + 86809342.

It is an arithmetic number, because the mean of its divisors is an integer number (607665310).

Almost surely, 22257042567 is an apocalyptic number.

2257042567 is a deficient number, since it is larger than the sum of its proper divisors (173618673).

2257042567 is a wasteful number, since it uses less digits than its factorization.

2257042567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173618672.

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 2257042567 is about 47508.3420779972. The cubic root of 2257042567 is about 1311.7364395898.

The spelling of 2257042567 in words is "two billion, two hundred fifty-seven million, forty-two thousand, five hundred sixty-seven".

Divisors: 1 13 173618659 2257042567