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428184601 = 1332937277
BaseRepresentation
bin11001100001011…
…001010000011001
31002211201000211221
4121201121100121
51334103401401
6110253252041
713416336415
oct3141312031
91084630757
10428184601
111aa776479
12bb494021
136a92c190
1440c1dd45
15278ce7a1
hex19859419

428184601 has 4 divisors (see below), whose sum is σ = 461121892. Its totient is φ = 395247312.

The previous prime is 428184553. The next prime is 428184613. The reversal of 428184601 is 106481824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 294088201 + 134096400 = 17149^2 + 11580^2 .

It is a cyclic number.

It is not a de Polignac number, because 428184601 - 27 = 428184473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428184671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16468626 + ... + 16468651.

It is an arithmetic number, because the mean of its divisors is an integer number (115280473).

Almost surely, 2428184601 is an apocalyptic number.

It is an amenable number.

428184601 is a deficient number, since it is larger than the sum of its proper divisors (32937291).

428184601 is a wasteful number, since it uses less digits than its factorization.

428184601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32937290.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 428184601 is about 20692.6218976716. The cubic root of 428184601 is about 753.7205357803.

The spelling of 428184601 in words is "four hundred twenty-eight million, one hundred eighty-four thousand, six hundred one".

Divisors: 1 13 32937277 428184601