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410012420 = 22520500621
BaseRepresentation
bin11000011100000…
…100101100000100
31001120111210022012
4120130010230010
51314430344140
6104403553352
713106022326
oct3034045404
91046453265
10410012420
111a0494444
12b538b858
1366c389cc
143c64d616
1525ee0265
hex18704b04

410012420 has 12 divisors (see below), whose sum is σ = 861026124. Its totient is φ = 164004960.

The previous prime is 410012401. The next prime is 410012441. The reversal of 410012420 is 24210014.

It can be written as a sum of positive squares in 2 ways, for example, as 84787264 + 325225156 = 9208^2 + 18034^2 .

It is a super-2 number, since 2×4100124202 = 336220369108512800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 410012395 and 410012404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10250291 + ... + 10250330.

It is an arithmetic number, because the mean of its divisors is an integer number (71752177).

Almost surely, 2410012420 is an apocalyptic number.

It is an amenable number.

410012420 is an abundant number, since it is smaller than the sum of its proper divisors (451013704).

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

410012420 is a wasteful number, since it uses less digits than its factorization.

410012420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20500630 (or 20500628 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 410012420 is about 20248.7634190338. The cubic root of 410012420 is about 742.9033855054.

Adding to 410012420 its reverse (24210014), we get a palindrome (434222434).

The spelling of 410012420 in words is "four hundred ten million, twelve thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 20500621 41001242 82002484 102503105 205006210 410012420