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239379345 = 32519127851
BaseRepresentation
bin11100100010010…
…10001110010001
3121200102201201200
432101022032101
5442240114340
635430421413
75634455652
oct1621121621
9550381650
10239379345
1111313a277
1268201869
133a7944aa
1423b13529
1516037330
hexe44a391

239379345 has 24 divisors (see below), whose sum is σ = 417111552. Its totient is φ = 126996000.

The previous prime is 239379317. The next prime is 239379353. The reversal of 239379345 is 543973932.

239379345 is a `hidden beast` number, since 239 + 3 + 79 + 345 = 666.

It is not a de Polignac number, because 239379345 - 29 = 239378833 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 239379345.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5331 + ... + 22520.

It is an arithmetic number, because the mean of its divisors is an integer number (17379648).

Almost surely, 2239379345 is an apocalyptic number.

It is an amenable number.

239379345 is a deficient number, since it is larger than the sum of its proper divisors (177732207).

239379345 is a wasteful number, since it uses less digits than its factorization.

239379345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28053 (or 28050 counting only the distinct ones).

The product of its digits is 612360, while the sum is 45.

The square root of 239379345 is about 15471.8888633547. Note that the first 4 decimals coincide. The cubic root of 239379345 is about 620.9103389109.

The spelling of 239379345 in words is "two hundred thirty-nine million, three hundred seventy-nine thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 45 191 573 955 1719 2865 8595 27851 83553 139255 250659 417765 1253295 5319541 15958623 26597705 47875869 79793115 239379345