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408106228 = 22808912613
BaseRepresentation
bin11000010100110…
…011010011110100
31001102220221111111
4120110303103310
51313433344403
6104255044404
713053563035
oct3024632364
91042827444
10408106228
1119a402282
12b4810704
136671c19a
143c2b4a8c
1525c6556d
hex185334f4

408106228 has 12 divisors (see below), whose sum is σ = 714330820. Its totient is φ = 204011712.

The previous prime is 408106213. The next prime is 408106229. The reversal of 408106228 is 822601804.

It can be written as a sum of positive squares in 2 ways, for example, as 64448784 + 343657444 = 8028^2 + 18538^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 408106228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408106229) 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, 26050 + ... + 38662.

Almost surely, 2408106228 is an apocalyptic number.

It is an amenable number.

408106228 is a deficient number, since it is larger than the sum of its proper divisors (306224592).

408106228 is a wasteful number, since it uses less digits than its factorization.

408106228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20706 (or 20704 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 408106228 is about 20201.6392404181. The cubic root of 408106228 is about 741.7503173979.

The spelling of 408106228 in words is "four hundred eight million, one hundred six thousand, two hundred twenty-eight".

Divisors: 1 2 4 8089 12613 16178 25226 32356 50452 102026557 204053114 408106228