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52497790 = 259295651
BaseRepresentation
bin1100100001000…
…0110101111110
310122210011102121
43020100311332
5101414412130
65113113154
71205136532
oct310206576
9118704377
1052497790
11276a7404
12156b87ba
13ab512a7
146d87bc2
15491ed7a
hex3210d7e

52497790 has 16 divisors (see below), whose sum is σ = 94614480. Its totient is φ = 20972800.

The previous prime is 52497727. The next prime is 52497793. The reversal of 52497790 is 9779425.

52497790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52497793) 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 in 7 ways as a sum of consecutive naturals, for example, 6465 + ... + 12115.

It is an arithmetic number, because the mean of its divisors is an integer number (5913405).

Almost surely, 252497790 is an apocalyptic number.

52497790 is a deficient number, since it is larger than the sum of its proper divisors (42116690).

52497790 is a wasteful number, since it uses less digits than its factorization.

52497790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6587.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 52497790 is about 7245.5358670011. The cubic root of 52497790 is about 374.4383651894.

The spelling of 52497790 in words is "fifty-two million, four hundred ninety-seven thousand, seven hundred ninety".

Divisors: 1 2 5 10 929 1858 4645 5651 9290 11302 28255 56510 5249779 10499558 26248895 52497790