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52447542 = 2372178393
BaseRepresentation
bin1100100000010…
…0100100110110
310122200121111120
43020010210312
5101411310132
65112044410
71204540200
oct310044466
9118617446
1052447542
1127672684
1215693706
13ab34464
146d73770
15491002c
hex3204936

52447542 has 24 divisors (see below), whose sum is σ = 122021496. Its totient is φ = 14984928.

The previous prime is 52447531. The next prime is 52447559. The reversal of 52447542 is 24574425.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88903 + ... + 89490.

It is an arithmetic number, because the mean of its divisors is an integer number (5084229).

Almost surely, 252447542 is an apocalyptic number.

52447542 is an abundant number, since it is smaller than the sum of its proper divisors (69573954).

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

52447542 is a wasteful number, since it uses less digits than its factorization.

52447542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178412 (or 178405 counting only the distinct ones).

The product of its digits is 44800, while the sum is 33.

The square root of 52447542 is about 7242.0675224690. The cubic root of 52447542 is about 374.3188631114.

The spelling of 52447542 in words is "fifty-two million, four hundred forty-seven thousand, five hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 178393 356786 535179 1070358 1248751 2497502 3746253 7492506 8741257 17482514 26223771 52447542