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408355230 = 235103313177
BaseRepresentation
bin11000010101110…
…000000110011110
31001110101121001210
4120111300012132
51314014331410
6104304245250
713055651013
oct3025600636
91043347053
10408355230
1119a562368
12b4910826
13667a861a
143c33b70a
1525cb4220
hex1857019e

408355230 has 32 divisors (see below), whose sum is σ = 981075744. Its totient is φ = 108781056.

The previous prime is 408355217. The next prime is 408355231. The reversal of 408355230 is 32553804.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408355231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24402 + ... + 37578.

It is an arithmetic number, because the mean of its divisors is an integer number (30658617).

Almost surely, 2408355230 is an apocalyptic number.

408355230 is an abundant number, since it is smaller than the sum of its proper divisors (572720514).

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

408355230 is a wasteful number, since it uses less digits than its factorization.

408355230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14220.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 408355230 is about 20207.8012163620. The cubic root of 408355230 is about 741.9011439465.

The spelling of 408355230 in words is "four hundred eight million, three hundred fifty-five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1033 2066 3099 5165 6198 10330 13177 15495 26354 30990 39531 65885 79062 131770 197655 395310 13611841 27223682 40835523 68059205 81671046 136118410 204177615 408355230