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19082313 = 3217124721
BaseRepresentation
bin100100011001…
…0110001001001
31022220111000100
41020302301021
514341113223
61521000013
7321124365
oct110626111
938814010
1019082313
11a853908
126483009
133c51813
14276a2a5
151a1e043
hex1232c49

19082313 has 12 divisors (see below), whose sum is σ = 29184948. Its totient is φ = 11973120.

The previous prime is 19082299. The next prime is 19082317. The reversal of 19082313 is 31328091.

It can be written as a sum of positive squares in 2 ways, for example, as 5774409 + 13307904 = 2403^2 + 3648^2 .

It is not a de Polignac number, because 19082313 - 28 = 19082057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19082317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62208 + ... + 62513.

It is an arithmetic number, because the mean of its divisors is an integer number (2432079).

Almost surely, 219082313 is an apocalyptic number.

It is an amenable number.

19082313 is a deficient number, since it is larger than the sum of its proper divisors (10102635).

19082313 is a wasteful number, since it uses less digits than its factorization.

19082313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124744 (or 124741 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 19082313 is about 4368.3306880318. The cubic root of 19082313 is about 267.2249503471.

The spelling of 19082313 in words is "nineteen million, eighty-two thousand, three hundred thirteen".

Divisors: 1 3 9 17 51 153 124721 374163 1122489 2120257 6360771 19082313