Search a number
-
+
86764790 = 25721131567
BaseRepresentation
bin1010010101111…
…10110011110110
320001021002220202
411022332303312
5134202433130
612335400502
72102326400
oct512766366
9201232822
1086764790
1144a81742
1225083132
1314c8b518
14b747b70
15793d145
hex52becf6

86764790 has 48 divisors (see below), whose sum is σ = 183399552. Its totient is φ = 29465856.

The previous prime is 86764789. The next prime is 86764801. The reversal of 86764790 is 9746768.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54587 + ... + 56153.

It is an arithmetic number, because the mean of its divisors is an integer number (3820824).

Almost surely, 286764790 is an apocalyptic number.

86764790 is an abundant number, since it is smaller than the sum of its proper divisors (96634762).

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

86764790 is a wasteful number, since it uses less digits than its factorization.

86764790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 86764790 is about 9314.7619400605. The cubic root of 86764790 is about 442.7050811861.

The spelling of 86764790 in words is "eighty-six million, seven hundred sixty-four thousand, seven hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 113 226 245 490 565 791 1130 1567 1582 3134 3955 5537 7835 7910 10969 11074 15670 21938 27685 54845 55370 76783 109690 153566 177071 354142 383915 767830 885355 1239497 1770710 2478994 6197485 8676479 12394970 17352958 43382395 86764790