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52905853 = 71113173109
BaseRepresentation
bin1100100111010…
…0011101111101
310200112220012001
43021310131331
5102020441403
65125542301
71211456320
oct311643575
9120486161
1052905853
1127955a50
1215874991
13ac64c50
1470527b7
1549a0c1d
hex327477d

52905853 has 32 divisors (see below), whose sum is σ = 75237120. Its totient is φ = 35804160.

The previous prime is 52905833. The next prime is 52905857. The reversal of 52905853 is 35850925.

It is not a de Polignac number, because 52905853 - 29 = 52905341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52905857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15463 + ... + 18571.

It is an arithmetic number, because the mean of its divisors is an integer number (2351160).

Almost surely, 252905853 is an apocalyptic number.

It is an amenable number.

52905853 is a deficient number, since it is larger than the sum of its proper divisors (22331267).

52905853 is a wasteful number, since it uses less digits than its factorization.

52905853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 52905853 is about 7273.6409727179. The cubic root of 52905853 is about 375.4060265915.

The spelling of 52905853 in words is "fifty-two million, nine hundred five thousand, eight hundred fifty-three".

Divisors: 1 7 11 13 17 77 91 119 143 187 221 1001 1309 1547 2431 3109 17017 21763 34199 40417 52853 239393 282919 369971 444587 581383 687089 3112109 4069681 4809623 7557979 52905853