Search a number
-
+
404990848525074 = 2372392168810757
BaseRepresentation
bin101110000010101100100011…
…1101010011110001100010010
31222002221202011120021011000020
41130011121013222132030102
5411040332224210300244
63553202121035404310
7151206423524301540
oct13405310752361422
91862852146234006
10404990848525074
111080517219a2639
1239509b338b3696
13144c961c6676a6
147201939828d90
1531c4b1c201d19
hex1705647a9e312

404990848525074 has 48 divisors (see below), whose sum is σ = 929582773405248. Its totient is φ = 115227521073504.

The previous prime is 404990848525063. The next prime is 404990848525157. The reversal of 404990848525074 is 470525848099404.

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82006297 + ... + 86804460.

It is an arithmetic number, because the mean of its divisors is an integer number (19366307779276).

Almost surely, 2404990848525074 is an apocalyptic number.

404990848525074 is an abundant number, since it is smaller than the sum of its proper divisors (524591924880174).

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

404990848525074 is a wasteful number, since it uses less digits than its factorization.

404990848525074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168811247 (or 168811008 counting only the distinct ones).

The product of its (nonzero) digits is 464486400, while the sum is 69.

The spelling of 404990848525074 in words is "four hundred four trillion, nine hundred ninety billion, eight hundred forty-eight million, five hundred twenty-five thousand, seventy-four".

Divisors: 1 2 3 6 7 14 21 42 239 478 717 1434 1673 3346 5019 10038 57121 114242 171363 342726 399847 799694 1199541 2399082 168810757 337621514 506432271 1012864542 1181675299 2363350598 3545025897 7090051794 40345770923 80691541846 121037312769 242074625538 282420396461 564840792922 847261189383 1694522378766 9642639250597 19285278501194 28927917751791 57855835503582 67498474754179 134996949508358 202495424262537 404990848525074