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500918140 = 225220311369
BaseRepresentation
bin11101110110110…
…110011101111100
31021220120021111201
4131312312131330
52011213340030
6121412225244
715261506512
oct3566663574
91256507451
10500918140
11237834238
1211b90b224
137ca16c88
144a7544b2
152de9a2ca
hex1ddb677c

500918140 has 24 divisors (see below), whose sum is σ = 1052498160. Its totient is φ = 200258688.

The previous prime is 500918101. The next prime is 500918167. The reversal of 500918140 is 41819005.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 500918099 and 500918108.

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, 38376 + ... + 49744.

It is an arithmetic number, because the mean of its divisors is an integer number (43854090).

Almost surely, 2500918140 is an apocalyptic number.

It is an amenable number.

500918140 is an abundant number, since it is smaller than the sum of its proper divisors (551580020).

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

500918140 is a wasteful number, since it uses less digits than its factorization.

500918140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13581 (or 13579 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 500918140 is about 22381.2005933551. The cubic root of 500918140 is about 794.1860477213.

The spelling of 500918140 in words is "five hundred million, nine hundred eighteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2203 4406 8812 11015 11369 22030 22738 44060 45476 56845 113690 227380 25045907 50091814 100183628 125229535 250459070 500918140