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52541687 = 114776517
BaseRepresentation
bin1100100001101…
…1100011110111
310122212101122102
43020123203313
5101422313222
65114052315
71205411522
oct310334367
9118771572
1052541687
1127727390
121571a09b
13ab68273
146d99bb9
15492cd92
hex321b8f7

52541687 has 4 divisors (see below), whose sum is σ = 57318216. Its totient is φ = 47765160.

The previous prime is 52541663. The next prime is 52541689. The reversal of 52541687 is 78614525.

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 52541687 - 28 = 52541431 is a prime.

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 52541687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52541689) 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, 2388248 + ... + 2388269.

It is an arithmetic number, because the mean of its divisors is an integer number (14329554).

Almost surely, 252541687 is an apocalyptic number.

52541687 is a deficient number, since it is larger than the sum of its proper divisors (4776529).

52541687 is a wasteful number, since it uses less digits than its factorization.

52541687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4776528.

The product of its digits is 67200, while the sum is 38.

The square root of 52541687 is about 7248.5644785709. The cubic root of 52541687 is about 374.5427006402.

The spelling of 52541687 in words is "fifty-two million, five hundred forty-one thousand, six hundred eighty-seven".

Divisors: 1 11 4776517 52541687