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1409002159 = 2027695117
BaseRepresentation
bin101001111111011…
…1010101010101111
310122012021201121011
41103332322222233
510341201032114
6351451450051
746626215005
oct12376725257
93565251534
101409002159
116633881a4
12333a56927
13195bb10b6
14d51b6a75
1583a721c4
hex53fbaaaf

1409002159 has 4 divisors (see below), whose sum is σ = 1409699304. Its totient is φ = 1408305016.

The previous prime is 1409002157. The next prime is 1409002163. The reversal of 1409002159 is 9512009041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9512009041 = 75112665791.

It is a cyclic number.

It is not a de Polignac number, because 1409002159 - 21 = 1409002157 is a prime.

It is a super-2 number, since 2×14090021592 = 3970574168133322562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1409002159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409002157) 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, 345532 + ... + 349585.

It is an arithmetic number, because the mean of its divisors is an integer number (352424826).

Almost surely, 21409002159 is an apocalyptic number.

1409002159 is a deficient number, since it is larger than the sum of its proper divisors (697145).

1409002159 is an equidigital number, since it uses as much as digits as its factorization.

1409002159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697144.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 1409002159 is about 37536.6775167968. The cubic root of 1409002159 is about 1121.0815867099.

The spelling of 1409002159 in words is "one billion, four hundred nine million, two thousand, one hundred fifty-nine".

Divisors: 1 2027 695117 1409002159