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420924120 = 23358574093
BaseRepresentation
bin11001000101101…
…100101011011000
31002100001011100020
4121011230223120
51330224032440
6105433510440
713300540011
oct3105545330
91070034306
10420924120
111a6667581
12b8b72420
1369289536
143dc90008
1526e483d0
hex1916cad8

420924120 has 64 divisors (see below), whose sum is σ = 1264554720. Its totient is φ = 112088064.

The previous prime is 420924103. The next prime is 420924149. The reversal of 420924120 is 21429024.

It is a super-2 number, since 2×4209241202 = 354354229595548800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 100794 + ... + 104886.

Almost surely, 2420924120 is an apocalyptic number.

420924120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420924120 is an abundant number, since it is smaller than the sum of its proper divisors (843630600).

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

420924120 is a wasteful number, since it uses less digits than its factorization.

420924120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964 (or 4960 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 420924120 is about 20516.4353628987. The cubic root of 420924120 is about 749.4360916717.

The spelling of 420924120 in words is "four hundred twenty million, nine hundred twenty-four thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 857 1714 2571 3428 4093 4285 5142 6856 8186 8570 10284 12279 12855 16372 17140 20465 20568 24558 25710 32744 34280 40930 49116 51420 61395 81860 98232 102840 122790 163720 245580 491160 3507701 7015402 10523103 14030804 17538505 21046206 28061608 35077010 42092412 52615515 70154020 84184824 105231030 140308040 210462060 420924120