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2490831320 = 235591055437
BaseRepresentation
bin1001010001110111…
…0001000111011000
320102120221100012212
42110131301013120
520100123100240
61051055054252
7115503500615
oct22435610730
96376840185
102490831320
11106901148a
12596211388
1330906c0b3
14198b4550c
15e8a19165
hex947711d8

2490831320 has 32 divisors (see below), whose sum is σ = 5699365200. Its totient is φ = 979444608.

The previous prime is 2490831289. The next prime is 2490831331. The reversal of 2490831320 is 231380942.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525359 + ... + 530078.

Almost surely, 22490831320 is an apocalyptic number.

2490831320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2490831320 is an abundant number, since it is smaller than the sum of its proper divisors (3208533880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2490831320 is a wasteful number, since it uses less digits than its factorization.

2490831320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055507 (or 1055503 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2490831320 is about 49908.2289808004. The cubic root of 2490831320 is about 1355.5476007277.

The spelling of 2490831320 in words is "two billion, four hundred ninety million, eight hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 59 118 236 295 472 590 1180 2360 1055437 2110874 4221748 5277185 8443496 10554370 21108740 42217480 62270783 124541566 249083132 311353915 498166264 622707830 1245415660 2490831320