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518885950 = 25211943429
BaseRepresentation
bin11110111011011…
…001001000111110
31100011101010201011
4132323121020332
52030313322300
6123253305434
715600313012
oct3673311076
91304333634
10518885950
11246996770
1212593527a
138366840b
144ccb0542
1530848eba
hex1eed923e

518885950 has 24 divisors (see below), whose sum is σ = 1052867880. Its totient is φ = 188685600.

The previous prime is 518885921. The next prime is 518885987. The reversal of 518885950 is 59588815.

It is a junction number, because it is equal to n+sod(n) for n = 518885894 and 518885903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471165 + ... + 472264.

It is an arithmetic number, because the mean of its divisors is an integer number (43869495).

Almost surely, 2518885950 is an apocalyptic number.

518885950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

518885950 is an abundant number, since it is smaller than the sum of its proper divisors (533981930).

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

518885950 is a wasteful number, since it uses less digits than its factorization.

518885950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943452 (or 943447 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 49.

The square root of 518885950 is about 22779.0682425774. The cubic root of 518885950 is about 803.5704732358.

The spelling of 518885950 in words is "five hundred eighteen million, eight hundred eighty-five thousand, nine hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 943429 1886858 4717145 9434290 10377719 20755438 23585725 47171450 51888595 103777190 259442975 518885950