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499713880 = 23564319429
BaseRepresentation
bin11101110010010…
…000011101011000
31021211022002120111
4131302100131120
52010411321010
6121330334104
715245332531
oct3562203530
91254262514
10499713880
11237091486
1211b42a334
137c6b4ab3
144a51d688
152dd0d58a
hex1dc90758

499713880 has 32 divisors (see below), whose sum is σ = 1126162800. Its totient is φ = 199564416.

The previous prime is 499713857. The next prime is 499713919. The reversal of 499713880 is 88317994.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16006 + ... + 35434.

Almost surely, 2499713880 is an apocalyptic number.

499713880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

499713880 is an abundant number, since it is smaller than the sum of its proper divisors (626448920).

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

499713880 is a wasteful number, since it uses less digits than its factorization.

499713880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20083 (or 20079 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 499713880 is about 22354.2810217640. The cubic root of 499713880 is about 793.5491013670.

The spelling of 499713880 in words is "four hundred ninety-nine million, seven hundred thirteen thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 643 1286 2572 3215 5144 6430 12860 19429 25720 38858 77716 97145 155432 194290 388580 777160 12492847 24985694 49971388 62464235 99942776 124928470 249856940 499713880