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421086370 = 25211199567
BaseRepresentation
bin11001000110010…
…100010010100010
31002100100101220111
4121012110102202
51330244230440
6105441201534
713302114025
oct3106242242
91070311814
10421086370
111a6768471
12b90302aa
1369315343
143dcd31bc
1526e7b4ea
hex191944a2

421086370 has 16 divisors (see below), whose sum is σ = 761551488. Its totient is φ = 167635440.

The previous prime is 421086349. The next prime is 421086371. The reversal of 421086370 is 73680124.

It is not an unprimeable number, because it can be changed into a prime (421086371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97674 + ... + 101893.

It is an arithmetic number, because the mean of its divisors is an integer number (47596968).

Almost surely, 2421086370 is an apocalyptic number.

421086370 is a deficient number, since it is larger than the sum of its proper divisors (340465118).

421086370 is a wasteful number, since it uses less digits than its factorization.

421086370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199785.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 421086370 is about 20520.3891288640. The cubic root of 421086370 is about 749.5323721966.

The spelling of 421086370 in words is "four hundred twenty-one million, eighty-six thousand, three hundred seventy".

Divisors: 1 2 5 10 211 422 1055 2110 199567 399134 997835 1995670 42108637 84217274 210543185 421086370