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5385878031 = 331277209071
BaseRepresentation
bin1010000010000010…
…11111101000001111
3111220100110221201010
411001001133220033
542012241044111
62250234020303
7250316131212
oct50101375017
914810427633
105385878031
112314207976
121063877693
1367aa973a1
1439142b779
15217c7aaa6
hex14105fa0f

5385878031 has 16 divisors (see below), whose sum is σ = 7439618048. Its totient is φ = 3462199200.

The previous prime is 5385877943. The next prime is 5385878041. The reversal of 5385878031 is 1308785835.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-5385878031 is a prime.

It is a super-2 number, since 2×53858780312 = 58015364329616873922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5385878041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78775 + ... + 130296.

It is an arithmetic number, because the mean of its divisors is an integer number (464976128).

Almost surely, 25385878031 is an apocalyptic number.

5385878031 is a deficient number, since it is larger than the sum of its proper divisors (2053740017).

5385878031 is a wasteful number, since it uses less digits than its factorization.

5385878031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209382.

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 5385878031 is about 73388.5415511168. The cubic root of 5385878031 is about 1752.8799415815.

The spelling of 5385878031 in words is "five billion, three hundred eighty-five million, eight hundred seventy-eight thousand, thirty-one".

Divisors: 1 3 31 93 277 831 8587 25761 209071 627213 6481201 19443603 57912667 173738001 1795292677 5385878031