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2490623679 = 34148741579
BaseRepresentation
bin1001010001110011…
…1110011010111111
320102120112210101110
42110130332122333
520100044424204
61051050413103
7115501644345
oct22434763277
96376483343
102490623679
11106898a485
12596131193
13308cc872b
14198acd995
15e89c7889
hex9473e6bf

2490623679 has 16 divisors (see below), whose sum is σ = 3408894720. Its totient is φ = 1616552640.

The previous prime is 2490623659. The next prime is 2490623687. The reversal of 2490623679 is 9763260942.

It is not a de Polignac number, because 2490623679 - 28 = 2490623423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490623659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39112 + ... + 80690.

It is an arithmetic number, because the mean of its divisors is an integer number (213055920).

Almost surely, 22490623679 is an apocalyptic number.

2490623679 is a deficient number, since it is larger than the sum of its proper divisors (918271041).

2490623679 is a wasteful number, since it uses less digits than its factorization.

2490623679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42110.

The product of its (nonzero) digits is 979776, while the sum is 48.

The square root of 2490623679 is about 49906.1487093524. The cubic root of 2490623679 is about 1355.5099325700.

The spelling of 2490623679 in words is "two billion, four hundred ninety million, six hundred twenty-three thousand, six hundred seventy-nine".

Divisors: 1 3 41 123 487 1461 19967 41579 59901 124737 1704739 5114217 20248973 60746919 830207893 2490623679