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52465205 = 5132292141
BaseRepresentation
bin1100100000100…
…0111000110101
310122201111201202
43020020320311
5101412341310
65112302245
71204642532
oct310107065
9118644652
1052465205
1127684981
12156a1985
13ab3c500
146d79d89
1549153a5
hex3208e35

52465205 has 24 divisors (see below), whose sum is σ = 70557480. Its totient is φ = 37390080.

The previous prime is 52465169. The next prime is 52465249. The reversal of 52465205 is 50256425.

It can be written as a sum of positive squares in 12 ways, for example, as 14691889 + 37773316 = 3833^2 + 6146^2 .

It is not a de Polignac number, because 52465205 - 26 = 52465141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23435 + ... + 25575.

It is an arithmetic number, because the mean of its divisors is an integer number (2939895).

Almost surely, 252465205 is an apocalyptic number.

It is an amenable number.

52465205 is a deficient number, since it is larger than the sum of its proper divisors (18092275).

52465205 is a wasteful number, since it uses less digits than its factorization.

52465205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201 (or 2188 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 52465205 is about 7243.2868920125. The cubic root of 52465205 is about 374.3608787570.

The spelling of 52465205 in words is "fifty-two million, four hundred sixty-five thousand, two hundred five".

Divisors: 1 5 13 29 65 145 169 377 845 1885 2141 4901 10705 24505 27833 62089 139165 310445 361829 807157 1809145 4035785 10493041 52465205