Search a number
-
+
534939690 = 23531195717
BaseRepresentation
bin11111111000101…
…000100000101010
31101021120202022010
4133320220200222
52043421032230
6125025340350
716153624635
oct3770504052
91337522263
10534939690
11254a6111a
1212b1976b6
1386a9957c
145108cc1c
1531e6a9b0
hex1fe2882a

534939690 has 32 divisors (see below), whose sum is σ = 1284491520. Its totient is φ = 142579904.

The previous prime is 534939659. The next prime is 534939707. The reversal of 534939690 is 96939435.

It is a happy number.

It is a super-2 number, since 2×5349396902 = 572320943874592200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90712 + ... + 96428.

It is an arithmetic number, because the mean of its divisors is an integer number (40140360).

Almost surely, 2534939690 is an apocalyptic number.

534939690 is an abundant number, since it is smaller than the sum of its proper divisors (749551830).

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

534939690 is a wasteful number, since it uses less digits than its factorization.

534939690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8846.

The product of its (nonzero) digits is 787320, while the sum is 48.

The square root of 534939690 is about 23128.7632613592. The cubic root of 534939690 is about 811.7736321683.

The spelling of 534939690 in words is "five hundred thirty-four million, nine hundred thirty-nine thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 3119 5717 6238 9357 11434 15595 17151 18714 28585 31190 34302 46785 57170 85755 93570 171510 17831323 35662646 53493969 89156615 106987938 178313230 267469845 534939690