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5285517731 = 13439455309
BaseRepresentation
bin1001110110000101…
…01001100110100011
3111122100122010020222
410323002221212203
541311043031411
62232250553255
7244660105454
oct47302514643
914570563228
105285517731
11227259a77a
12103613882b
136630588b0
14381d8512b
1520e0544db
hex13b0a99a3

5285517731 has 8 divisors (see below), whose sum is σ = 5824470960. Its totient is φ = 4765475232.

The previous prime is 5285517689. The next prime is 5285517739. The reversal of 5285517731 is 1377155825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5285517731 - 26 = 5285517667 is a prime.

It is a super-2 number, since 2×52855177312 = 55873395369430776722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5285517739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4727096 + ... + 4728213.

It is an arithmetic number, because the mean of its divisors is an integer number (728058870).

Almost surely, 25285517731 is an apocalyptic number.

5285517731 is a deficient number, since it is larger than the sum of its proper divisors (538953229).

5285517731 is a wasteful number, since it uses less digits than its factorization.

5285517731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9455365.

The product of its digits is 294000, while the sum is 44.

The square root of 5285517731 is about 72701.5662210932. The cubic root of 5285517731 is about 1741.9239004061.

The spelling of 5285517731 in words is "five billion, two hundred eighty-five million, five hundred seventeen thousand, seven hundred thirty-one".

Divisors: 1 13 43 559 9455309 122919017 406578287 5285517731