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516838040 = 23512920951
BaseRepresentation
bin11110110011100…
…101001010011000
31100000112002111122
4132303211022120
52024302304130
6123141344412
715544023305
oct3663451230
91300462448
10516838040
11245818084
12125108108
13830cc234
144c8da0ac
15305922e5
hex1ece5298

516838040 has 16 divisors (see below), whose sum is σ = 1162885680. Its totient is φ = 206735200.

The previous prime is 516838031. The next prime is 516838043. The reversal of 516838040 is 40838615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516838043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6460436 + ... + 6460515.

It is an arithmetic number, because the mean of its divisors is an integer number (72680355).

Almost surely, 2516838040 is an apocalyptic number.

It is an amenable number.

516838040 is an abundant number, since it is smaller than the sum of its proper divisors (646047640).

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

516838040 is a wasteful number, since it uses less digits than its factorization.

516838040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920962 (or 12920958 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 516838040 is about 22734.0722265062. The cubic root of 516838040 is about 802.5119170857.

The spelling of 516838040 in words is "five hundred sixteen million, eight hundred thirty-eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 12920951 25841902 51683804 64604755 103367608 129209510 258419020 516838040