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5488690488 = 233290378779
BaseRepresentation
bin1010001110010011…
…01100010100111000
3112011111221100212220
411013021230110320
542220101043423
62304345404040
7253005046041
oct50711542470
915144840786
105488690488
11236724a446
121092199620
13696184068
143a0d518c8
15221cd89e3
hex14726c538

5488690488 has 32 divisors (see below), whose sum is σ = 13726627200. Its totient is φ = 1828910048.

The previous prime is 5488690463. The next prime is 5488690489. The reversal of 5488690488 is 8840968845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5488690489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30283 + ... + 109061.

It is an arithmetic number, because the mean of its divisors is an integer number (428957100).

Almost surely, 25488690488 is an apocalyptic number.

It is an amenable number.

5488690488 is an abundant number, since it is smaller than the sum of its proper divisors (8237936712).

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

5488690488 is a wasteful number, since it uses less digits than its factorization.

5488690488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81691 (or 81687 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 60.

The square root of 5488690488 is about 74085.6969191760. The cubic root of 5488690488 is about 1763.9634429721.

The spelling of 5488690488 in words is "five billion, four hundred eighty-eight million, six hundred ninety thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 2903 5806 8709 11612 17418 23224 34836 69672 78779 157558 236337 315116 472674 630232 945348 1890696 228695437 457390874 686086311 914781748 1372172622 1829563496 2744345244 5488690488