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315339189 = 3113151523
BaseRepresentation
bin10010110010111…
…011000110110101
3210222100220001020
4102302323012311
51121211323224
651142451353
710546224144
oct2262730665
9728326036
10315339189
11152001000
1289733b59
135043b949
142dc4775b
151ca3dc79
hex12cbb1b5

315339189 has 32 divisors (see below), whose sum is σ = 466418688. Its totient is φ = 189486000.

The previous prime is 315339179. The next prime is 315339203. The reversal of 315339189 is 981933513.

It is a happy number.

It is not a de Polignac number, because 315339189 - 29 = 315338677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315339189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315339169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 602682 + ... + 603204.

It is an arithmetic number, because the mean of its divisors is an integer number (14575584).

Almost surely, 2315339189 is an apocalyptic number.

It is an amenable number.

315339189 is a deficient number, since it is larger than the sum of its proper divisors (151079499).

315339189 is a wasteful number, since it uses less digits than its factorization.

315339189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 688 counting only the distinct ones).

The product of its digits is 87480, while the sum is 42.

The square root of 315339189 is about 17757.7923458971. The cubic root of 315339189 is about 680.6533433764.

The spelling of 315339189 in words is "three hundred fifteen million, three hundred thirty-nine thousand, one hundred eighty-nine".

Divisors: 1 3 11 33 121 151 363 453 523 1331 1569 1661 3993 4983 5753 17259 18271 54813 63283 78973 189849 200981 236919 602943 696113 868703 2088339 2606109 9555733 28667199 105113063 315339189