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516938128 = 2474615519
BaseRepresentation
bin11110110011111…
…101100110010000
31100000201011210121
4132303331212100
52024314010003
6123143440024
715544621150
oct3663754620
91300634717
10516938128
112458862a3
12125156014
1383135965
144c924760
15305b1cbd
hex1ecfd990

516938128 has 20 divisors (see below), whose sum is σ = 1144648960. Its totient is φ = 221544864.

The previous prime is 516938069. The next prime is 516938129. The reversal of 516938128 is 821839615.

It is not an unprimeable number, because it can be changed into a prime (516938129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307648 + ... + 2307871.

It is an arithmetic number, because the mean of its divisors is an integer number (57232448).

Almost surely, 2516938128 is an apocalyptic number.

It is an amenable number.

516938128 is an abundant number, since it is smaller than the sum of its proper divisors (627710832).

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

516938128 is a wasteful number, since it uses less digits than its factorization.

516938128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615534 (or 4615528 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The square root of 516938128 is about 22736.2733973710. The cubic root of 516938128 is about 802.5637170838.

The spelling of 516938128 in words is "five hundred sixteen million, nine hundred thirty-eight thousand, one hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 4615519 9231038 18462076 32308633 36924152 64617266 73848304 129234532 258469064 516938128