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52705206 = 23210926863
BaseRepresentation
bin1100100100001…
…1011110110110
310200011200221200
43021003132312
5101443031311
65121353330
71206662331
oct311033666
9120150850
1052705206
1127829224
1215798846
13abc4818
146ddd618
154961556
hex32437b6

52705206 has 24 divisors (see below), whose sum is σ = 115246560. Its totient is φ = 17406576.

The previous prime is 52705201. The next prime is 52705207. The reversal of 52705206 is 60250725.

It is a self number, because there is not a number n which added to its sum of digits gives 52705206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52705201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11470 + ... + 15393.

It is an arithmetic number, because the mean of its divisors is an integer number (4801940).

Almost surely, 252705206 is an apocalyptic number.

52705206 is an abundant number, since it is smaller than the sum of its proper divisors (62541354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52705206 is a wasteful number, since it uses less digits than its factorization.

52705206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26980 (or 26977 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 52705206 is about 7259.8351220947. The cubic root of 52705206 is about 374.9308459147.

The spelling of 52705206 in words is "fifty-two million, seven hundred five thousand, two hundred six".

Divisors: 1 2 3 6 9 18 109 218 327 654 981 1962 26863 53726 80589 161178 241767 483534 2928067 5856134 8784201 17568402 26352603 52705206