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5240239680 = 2635132914479
BaseRepresentation
bin1001110000101011…
…11011011001000000
3111112012102202110010
410320111323121000
541213000132210
62223552304520
7243600205464
oct47025733100
914465382403
105240239680
112249a846a5
121022b42140
13656864850
14379d5a4a4
1520a0ad920
hex13857b640

5240239680 has 224 divisors, whose sum is σ = 18536716800. Its totient is φ = 1245339648.

The previous prime is 5240239679. The next prime is 5240239687. The reversal of 5240239680 is 869320425.

It is a happy number.

It is a super-2 number, since 2×52402396802 = 54920223807693004800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (5240239687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354681 + ... + 369159.

It is an arithmetic number, because the mean of its divisors is an integer number (82753200).

Almost surely, 25240239680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5240239680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9268358400).

5240239680 is an abundant number, since it is smaller than the sum of its proper divisors (13296477120).

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

5240239680 is a wasteful number, since it uses less digits than its factorization.

5240239680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14541 (or 14531 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 5240239680 is about 72389.4997910609. The cubic root of 5240239680 is about 1736.9356024792.

The spelling of 5240239680 in words is "five billion, two hundred forty million, two hundred thirty-nine thousand, six hundred eighty".