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5240012840 = 235131000321
BaseRepresentation
bin1001110000101010…
…00100000000101000
3111112012000020021122
410320111010000220
541212420402330
62223543354412
7243565242236
oct47025040050
914465006248
105240012840
11224993a227
121022a52a08
136567b551a
14379cdb956
1520a0665e5
hex138544028

5240012840 has 16 divisors (see below), whose sum is σ = 11790028980. Its totient is φ = 2096005120.

The previous prime is 5240012803. The next prime is 5240012857. The reversal of 5240012840 is 482100425.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5158399684 + 81613156 = 71822^2 + 9034^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65500121 + ... + 65500200.

Almost surely, 25240012840 is an apocalyptic number.

It is an amenable number.

5240012840 is an abundant number, since it is smaller than the sum of its proper divisors (6550016140).

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

5240012840 is a wasteful number, since it uses less digits than its factorization.

5240012840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131000332 (or 131000328 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 5240012840 is about 72387.9329722848. The cubic root of 5240012840 is about 1736.9105392390.

The spelling of 5240012840 in words is "five billion, two hundred forty million, twelve thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 131000321 262000642 524001284 655001605 1048002568 1310003210 2620006420 5240012840