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52532452 = 2273750707
BaseRepresentation
bin1100100001100…
…1010011100100
310122211220222101
43020121103210
5101422014302
65113541444
71205342560
oct310312344
9118756871
1052532452
1127720455
1215714884
13ab63cbb
146d966a0
15492a287
hex32194e4

52532452 has 24 divisors (see below), whose sum is σ = 107906624. Its totient is φ = 21904992.

The previous prime is 52532419. The next prime is 52532453. The reversal of 52532452 is 25423525.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 52532452.

It is not an unprimeable number, because it can be changed into a prime (52532453) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24318 + ... + 26389.

Almost surely, 252532452 is an apocalyptic number.

It is an amenable number.

52532452 is an abundant number, since it is smaller than the sum of its proper divisors (55374172).

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

52532452 is a wasteful number, since it uses less digits than its factorization.

52532452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50755 (or 50753 counting only the distinct ones).

The product of its digits is 12000, while the sum is 28.

The square root of 52532452 is about 7247.9274278927. The cubic root of 52532452 is about 374.5207554972.

Adding to 52532452 its reverse (25423525), we get a palindrome (77955977).

The spelling of 52532452 in words is "fifty-two million, five hundred thirty-two thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 50707 101414 202828 354949 709898 1419796 1876159 3752318 7504636 13133113 26266226 52532452