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840323048 = 23893149
BaseRepresentation
bin110010000101100…
…100111111101000
32011120012211111212
4302011210333220
53210110314143
6215215012252
726552425265
oct6205447750
92146184455
10840323048
113a1382164
121b550a088
13105130796
147d86426c
154db8e918
hex32164fe8

840323048 has 32 divisors (see below), whose sum is σ = 1604205000. Its totient is φ = 412652416.

The previous prime is 840323047. The next prime is 840323087.

840323048 is nontrivially palindromic in base 10.

840323048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4072324 + 836250724 = 2018^2 + 28918^2 .

It is a super-2 number, since 2×8403230482 = 1412285650000020608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (840323047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5639678 + ... + 5639826.

Almost surely, 2840323048 is an apocalyptic number.

It is an amenable number.

840323048 is a deficient number, since it is larger than the sum of its proper divisors (763881952).

840323048 is an frugal number, since it uses more digits than its factorization.

840323048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 840323048 is about 28988.3260641245. The cubic root of 840323048 is about 943.6597362438.

The spelling of 840323048 in words is "eight hundred forty million, three hundred twenty-three thousand, forty-eight".

Divisors: 1 2 4 8 89 149 178 298 356 596 712 1192 7921 13261 15842 26522 31684 53044 63368 106088 704969 1180229 1409938 2360458 2819876 4720916 5639752 9441832 105040381 210080762 420161524 840323048