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420516152 = 2377509217
BaseRepresentation
bin11001000100001…
…001000100111000
31002022021102201022
4121010021010320
51330123004102
6105421042012
713264220420
oct3104110470
91068242638
10420516152
111a6409011
12b89b6308
1369175934
143dbc5480
1526db75a2
hex19109138

420516152 has 16 divisors (see below), whose sum is σ = 901106160. Its totient is φ = 180221184.

The previous prime is 420516149. The next prime is 420516163. The reversal of 420516152 is 251615024.

It is a congruent number.

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, 3754553 + ... + 3754664.

It is an arithmetic number, because the mean of its divisors is an integer number (56319135).

Almost surely, 2420516152 is an apocalyptic number.

It is an amenable number.

420516152 is an abundant number, since it is smaller than the sum of its proper divisors (480590008).

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

420516152 is a wasteful number, since it uses less digits than its factorization.

420516152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7509230 (or 7509226 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 420516152 is about 20506.4904847221. The cubic root of 420516152 is about 749.1938906347.

The spelling of 420516152 in words is "four hundred twenty million, five hundred sixteen thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 7509217 15018434 30036868 52564519 60073736 105129038 210258076 420516152