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421251010 = 25197213833
BaseRepresentation
bin11001000110111…
…100011111000010
31002100122202202021
4121012330133002
51330320013020
6105444512054
713303401025
oct3106743702
91070582667
10421251010
111a6870134
12b90ab62a
136937226b
143dd371bc
1526eb01aa
hex191bc7c2

421251010 has 16 divisors (see below), whose sum is σ = 762104376. Its totient is φ = 167644288.

The previous prime is 421250983. The next prime is 421251029. The reversal of 421251010 is 10152124.

It can be written as a sum of positive squares in 4 ways, for example, as 401882209 + 19368801 = 20047^2 + 4401^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104947 + ... + 108886.

Almost surely, 2421251010 is an apocalyptic number.

421251010 is a deficient number, since it is larger than the sum of its proper divisors (340853366).

421251010 is a wasteful number, since it uses less digits than its factorization.

421251010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214037.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 421251010 is about 20524.4003566487. The cubic root of 421251010 is about 749.6300456899.

The spelling of 421251010 in words is "four hundred twenty-one million, two hundred fifty-one thousand, ten".

Divisors: 1 2 5 10 197 394 985 1970 213833 427666 1069165 2138330 42125101 84250202 210625505 421251010