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52257512 = 236532189
BaseRepresentation
bin1100011101011…
…0001011101000
310122022221211102
43013112023220
5101334220022
65104020532
71203116156
oct307261350
9118287742
1052257512
112755292a
1215601748
13aa98b08
146d243d6
1548c3a92
hex31d62e8

52257512 has 8 divisors (see below), whose sum is σ = 97982850. Its totient is φ = 26128752.

The previous prime is 52257511. The next prime is 52257553. The reversal of 52257512 is 21575225.

52257512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 52215076 + 42436 = 7226^2 + 206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (52257511) by changing a digit.

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 as a sum of consecutive naturals, namely, 3266087 + ... + 3266102.

Almost surely, 252257512 is an apocalyptic number.

It is an amenable number.

52257512 is a deficient number, since it is larger than the sum of its proper divisors (45725338).

52257512 is a wasteful number, since it uses less digits than its factorization.

52257512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6532195 (or 6532191 counting only the distinct ones).

The product of its digits is 7000, while the sum is 29.

The square root of 52257512 is about 7228.9357446307. The cubic root of 52257512 is about 373.8662337260.

The spelling of 52257512 in words is "fifty-two million, two hundred fifty-seven thousand, five hundred twelve".

Divisors: 1 2 4 8 6532189 13064378 26128756 52257512