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402405113 = 11172151899
BaseRepresentation
bin10111111111000…
…011011011111001
31001001012022001002
4113333003123321
51311003430423
6103532534345
712654246515
oct2777033371
91031168032
10402405113
11197168a10
12b29213b5
13654a4246
143b62d145
15254db228
hex17fc36f9

402405113 has 8 divisors (see below), whose sum is σ = 464810400. Its totient is φ = 344303680.

The previous prime is 402405049. The next prime is 402405121. The reversal of 402405113 is 311504204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402405113 - 26 = 402405049 is a prime.

It is a super-3 number, since 3×4024051133 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402405413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075763 + ... + 1076136.

It is an arithmetic number, because the mean of its divisors is an integer number (58101300).

Almost surely, 2402405113 is an apocalyptic number.

It is an amenable number.

402405113 is a deficient number, since it is larger than the sum of its proper divisors (62405287).

402405113 is a wasteful number, since it uses less digits than its factorization.

402405113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151927.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 402405113 is about 20060.0377118290. The cubic root of 402405113 is about 738.2801017877.

Adding to 402405113 its reverse (311504204), we get a palindrome (713909317).

Subtracting from 402405113 its reverse (311504204), we obtain a palindrome (90900909).

The spelling of 402405113 in words is "four hundred two million, four hundred five thousand, one hundred thirteen".

Divisors: 1 11 17 187 2151899 23670889 36582283 402405113