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52861605 = 354797773
BaseRepresentation
bin1100100110100…
…1101010100101
310200110122111020
43021221222211
5102013032410
65125001353
71211213316
oct311515245
9120418436
1052861605
1127925785
1215853259
13ac4aa74
14704060d
154992a70
hex3269aa5

52861605 has 32 divisors (see below), whose sum is σ = 87381504. Its totient is φ = 27273216.

The previous prime is 52861597. The next prime is 52861643. The reversal of 52861605 is 50616825.

52861605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52861605 - 23 = 52861597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67999 + ... + 68771.

It is an arithmetic number, because the mean of its divisors is an integer number (2730672).

Almost surely, 252861605 is an apocalyptic number.

It is an amenable number.

52861605 is a deficient number, since it is larger than the sum of its proper divisors (34519899).

52861605 is a wasteful number, since it uses less digits than its factorization.

52861605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 52861605 is about 7270.5986686104. The cubic root of 52861605 is about 375.3013400086.

The spelling of 52861605 in words is "fifty-two million, eight hundred sixty-one thousand, six hundred five".

Divisors: 1 3 5 15 47 97 141 235 291 485 705 773 1455 2319 3865 4559 11595 13677 22795 36331 68385 74981 108993 181655 224943 374905 544965 1124715 3524107 10572321 17620535 52861605