Search a number
-
+
6920922904 = 237179717487
BaseRepresentation
bin1100111001000010…
…01110011100011000
3122212022221022101221
412130201032130120
5103133224013104
63102431221424
7333335605540
oct63441163430
918768838357
106920922904
112a317538a5
121411977874
13863b0996c
14499254320
152a78e8c54
hex19c84e718

6920922904 has 64 divisors (see below), whose sum is σ = 15721205760. Its totient is φ = 2788385280.

The previous prime is 6920922857. The next prime is 6920922923. The reversal of 6920922904 is 4092290296.

It is a super-2 number, since 2×69209229042 = 95798347686223586432, which contains 22 as substring.

It is a congruent number.

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, 920649 + ... + 928135.

It is an arithmetic number, because the mean of its divisors is an integer number (245643840).

Almost surely, 26920922904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6920922904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7860602880).

6920922904 is an abundant number, since it is smaller than the sum of its proper divisors (8800282856).

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

6920922904 is a wasteful number, since it uses less digits than its factorization.

6920922904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8488 (or 8484 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 6920922904 is about 83192.0843830710. The cubic root of 6920922904 is about 1905.7005989682.

The spelling of 6920922904 in words is "six billion, nine hundred twenty million, nine hundred twenty-two thousand, nine hundred four".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 476 952 971 1942 3884 6797 7487 7768 13594 14974 16507 27188 29948 33014 52409 54376 59896 66028 104818 115549 127279 132056 209636 231098 254558 419272 462196 509116 890953 924392 1018232 1781906 3563812 7127624 7269877 14539754 29079508 50889139 58159016 101778278 123587909 203556556 247175818 407113112 494351636 865115363 988703272 1730230726 3460461452 6920922904