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428118201 = 3276795527
BaseRepresentation
bin11001100001001…
…001000010111001
31002211120122202200
4121201021002321
51334044240301
6110252020413
713415642010
oct3141110271
91084518680
10428118201
111aa7305a5
12bb461709
136a907ba4
1440c03a77
15278b9c86
hex198490b9

428118201 has 12 divisors (see below), whose sum is σ = 706734912. Its totient is φ = 244638936.

The previous prime is 428118199. The next prime is 428118217. The reversal of 428118201 is 102811824.

It is not a de Polignac number, because 428118201 - 21 = 428118199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428113201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3397701 + ... + 3397826.

It is an arithmetic number, because the mean of its divisors is an integer number (58894576).

Almost surely, 2428118201 is an apocalyptic number.

It is an amenable number.

428118201 is a deficient number, since it is larger than the sum of its proper divisors (278616711).

428118201 is a wasteful number, since it uses less digits than its factorization.

428118201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6795540 (or 6795537 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 428118201 is about 20691.0173988618. The cubic root of 428118201 is about 753.6815731221.

The spelling of 428118201 in words is "four hundred twenty-eight million, one hundred eighteen thousand, two hundred one".

Divisors: 1 3 7 9 21 63 6795527 20386581 47568689 61159743 142706067 428118201