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52486070 = 25713137421
BaseRepresentation
bin1100100000110…
…1111110110110
310122202120100112
43020031332312
5101414023240
65112543022
71205060420
oct310157666
9118676315
1052486070
112769961a
12156b1a72
13ab48b60
146d83810
15491b665
hex320dfb6

52486070 has 64 divisors (see below), whose sum is σ = 117403776. Its totient is φ = 16450560.

The previous prime is 52486043. The next prime is 52486079. The reversal of 52486070 is 7068425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52486079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124460 + ... + 124880.

It is an arithmetic number, because the mean of its divisors is an integer number (1834434).

Almost surely, 252486070 is an apocalyptic number.

52486070 is an abundant number, since it is smaller than the sum of its proper divisors (64917706).

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

52486070 is a wasteful number, since it uses less digits than its factorization.

52486070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 52486070 is about 7244.7270479984. The cubic root of 52486070 is about 374.4104989735.

The spelling of 52486070 in words is "fifty-two million, four hundred eighty-six thousand, seventy".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 137 182 274 421 455 685 842 910 959 1370 1781 1918 2105 2947 3562 4210 4795 5473 5894 8905 9590 10946 12467 14735 17810 24934 27365 29470 38311 54730 57677 62335 76622 115354 124670 191555 288385 383110 403739 576770 749801 807478 1499602 2018695 3749005 4037390 5248607 7498010 10497214 26243035 52486070