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420758082 = 23224779437
BaseRepresentation
bin11001000101000…
…100001001000010
31002022201201120200
4121011010021002
51330203224312
6105430150030
713266245643
oct3105041102
91068651520
10420758082
111a6563858
12b8ab2316
136922baa4
143dc496ca
1526e140dc
hex19144242

420758082 has 24 divisors (see below), whose sum is σ = 912107196. Its totient is φ = 140181216.

The previous prime is 420758069. The next prime is 420758083. The reversal of 420758082 is 280857024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 420209001 + 549081 = 20499^2 + 741^2 .

It is not an unprimeable number, because it can be changed into a prime (420758083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39868 + ... + 49304.

Almost surely, 2420758082 is an apocalyptic number.

420758082 is an abundant number, since it is smaller than the sum of its proper divisors (491349114).

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

420758082 is a wasteful number, since it uses less digits than its factorization.

420758082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11922 (or 11919 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 420758082 is about 20512.3885006110. The cubic root of 420758082 is about 749.3375376972.

The spelling of 420758082 in words is "four hundred twenty million, seven hundred fifty-eight thousand, eighty-two".

Divisors: 1 2 3 6 9 18 2477 4954 7431 9437 14862 18874 22293 28311 44586 56622 84933 169866 23375449 46750898 70126347 140252694 210379041 420758082