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499999960 = 23512499999
BaseRepresentation
bin11101110011010…
…110010011011000
31021211211122000001
4131303112103120
52010444444320
6121340422344
715250633555
oct3563262330
91254748001
10499999960
11237267409
1211b5479b4
137c785085
144a595a2c
152dd6820a
hex1dcd64d8

499999960 has 16 divisors (see below), whose sum is σ = 1125000000. Its totient is φ = 199999968.

The previous prime is 499999931. The next prime is 499999993. The reversal of 499999960 is 69999994.

It is a junction number, because it is equal to n+sod(n) for n = 499999892 and 499999901.

It is a congruent number.

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, 6249960 + ... + 6250039.

It is an arithmetic number, because the mean of its divisors is an integer number (70312500).

Almost surely, 2499999960 is an apocalyptic number.

499999960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499999960 is an abundant number, since it is smaller than the sum of its proper divisors (625000040).

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

499999960 is a wasteful number, since it uses less digits than its factorization.

499999960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12500010 (or 12500006 counting only the distinct ones).

The product of its (nonzero) digits is 12754584, while the sum is 64.

The square root of 499999960 is about 22360.6788805707. The cubic root of 499999960 is about 793.7005048188.

The spelling of 499999960 in words is "four hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 12499999 24999998 49999996 62499995 99999992 124999990 249999980 499999960