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2292531988 = 223715490081
BaseRepresentation
bin1000100010100101…
…0100001100010100
312220202210200200011
42020221110030110
514143342010423
61015252530004
7110545125505
oct21051241424
95822720604
102292531988
11a7709023a
1253b920904
132a6c5bc06
1417a686bac
15d63e8b0d
hex88a54314

2292531988 has 12 divisors (see below), whose sum is σ = 4120361812. Its totient is φ = 1115285760.

The previous prime is 2292531979. The next prime is 2292532003. The reversal of 2292531988 is 8891352922.

It can be written as a sum of positive squares in 2 ways, for example, as 1717107844 + 575424144 = 41438^2 + 23988^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7744893 + ... + 7745188.

Almost surely, 22292531988 is an apocalyptic number.

It is an amenable number.

2292531988 is a deficient number, since it is larger than the sum of its proper divisors (1827829824).

2292531988 is a wasteful number, since it uses less digits than its factorization.

2292531988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15490122 (or 15490120 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

The square root of 2292531988 is about 47880.3925213652. The cubic root of 2292531988 is about 1318.5759029309.

The spelling of 2292531988 in words is "two billion, two hundred ninety-two million, five hundred thirty-one thousand, nine hundred eighty-eight".

Divisors: 1 2 4 37 74 148 15490081 30980162 61960324 573132997 1146265994 2292531988