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52528049 = 73374139
BaseRepresentation
bin1100100001100…
…0001110110001
310122211200221022
43020120032301
5101421344144
65113505225
71205324000
oct310301661
9118750838
1052528049
1127718112
1215712215
13ab61cb2
146d94c37
154928cee
hex32183b1

52528049 has 16 divisors (see below), whose sum is σ = 62928000. Its totient is φ = 43796592.

The previous prime is 52528031. The next prime is 52528051. The reversal of 52528049 is 94082525.

It is a happy number.

It is not a de Polignac number, because 52528049 - 28 = 52527793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52528549) 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 15 ways as a sum of consecutive naturals, for example, 10622 + ... + 14760.

It is an arithmetic number, because the mean of its divisors is an integer number (3933000).

Almost surely, 252528049 is an apocalyptic number.

It is an amenable number.

52528049 is a deficient number, since it is larger than the sum of its proper divisors (10399951).

52528049 is an equidigital number, since it uses as much as digits as its factorization.

52528049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197 (or 4183 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 52528049 is about 7247.6236795242. The cubic root of 52528049 is about 374.5102917368.

The spelling of 52528049 in words is "fifty-two million, five hundred twenty-eight thousand, forty-nine".

Divisors: 1 7 37 49 259 343 1813 4139 12691 28973 153143 202811 1072001 1419677 7504007 52528049