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423251020 = 22521162551
BaseRepresentation
bin11001001110100…
…100110001001100
31002111102101020201
4121032210301030
51331323013040
6105555423244
713326400663
oct3116446114
91074371221
10423251020
111a7a06835
12b98b4b24
13698c26ba
14402d7dda
1527257a9a
hex193a4c4c

423251020 has 12 divisors (see below), whose sum is σ = 888827184. Its totient is φ = 169300400.

The previous prime is 423250909. The next prime is 423251047. The reversal of 423251020 is 20152324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10581256 + ... + 10581295.

It is an arithmetic number, because the mean of its divisors is an integer number (74068932).

Almost surely, 2423251020 is an apocalyptic number.

It is an amenable number.

423251020 is an abundant number, since it is smaller than the sum of its proper divisors (465576164).

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

423251020 is a wasteful number, since it uses less digits than its factorization.

423251020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21162560 (or 21162558 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 423251020 is about 20573.0654011501. The cubic root of 423251020 is about 750.8145343175.

The spelling of 423251020 in words is "four hundred twenty-three million, two hundred fifty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 21162551 42325102 84650204 105812755 211625510 423251020