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189001313 = 1099471831
BaseRepresentation
bin10110100001111…
…10111001100001
3111011122021001122
423100332321201
5341341020223
630430542025
74453325144
oct1320767141
9434567048
10189001313
1197760536
1253367915
1330205cc7
141b15c05b
15118d55c8
hexb43ee61

189001313 has 8 divisors (see below), whose sum is σ = 191040960. Its totient is φ = 186967440.

The previous prime is 189001301. The next prime is 189001357. The reversal of 189001313 is 313100981.

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 189001313 - 210 = 189000289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189001213) 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, 102308 + ... + 104138.

It is an arithmetic number, because the mean of its divisors is an integer number (23880120).

Almost surely, 2189001313 is an apocalyptic number.

It is an amenable number.

189001313 is a deficient number, since it is larger than the sum of its proper divisors (2039647).

189001313 is a wasteful number, since it uses less digits than its factorization.

189001313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 189001313 is about 13747.7748381329. The cubic root of 189001313 is about 573.8806837591.

The spelling of 189001313 in words is "one hundred eighty-nine million, one thousand, three hundred thirteen".

Divisors: 1 109 947 1831 103223 199579 1733957 189001313