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160138025 = 5210163421
BaseRepresentation
bin10011000101110…
…00001100101001
3102011022212001222
421202320030221
5311443404100
623520151425
73653102465
oct1142701451
9364285058
10160138025
1182437083
1245768575
132723b538
14173a74a5
15e0d3485
hex98b8329

160138025 has 12 divisors (see below), whose sum is σ = 200540364. Its totient is φ = 126840000.

The previous prime is 160138021. The next prime is 160138039. The reversal of 160138025 is 520831061.

It can be written as a sum of positive squares in 6 ways, for example, as 267289 + 159870736 = 517^2 + 12644^2 .

It is not a de Polignac number, because 160138025 - 22 = 160138021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 160137985 and 160138003.

It is not an unprimeable number, because it can be changed into a prime (160138021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29186 + ... + 34235.

It is an arithmetic number, because the mean of its divisors is an integer number (16711697).

Almost surely, 2160138025 is an apocalyptic number.

It is an amenable number.

160138025 is a deficient number, since it is larger than the sum of its proper divisors (40402339).

160138025 is a wasteful number, since it uses less digits than its factorization.

160138025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63532 (or 63527 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 160138025 is about 12654.5653817111. The cubic root of 160138025 is about 543.0395857396.

Adding to 160138025 its reverse (520831061), we get a palindrome (680969086).

The spelling of 160138025 in words is "one hundred sixty million, one hundred thirty-eight thousand, twenty-five".

Divisors: 1 5 25 101 505 2525 63421 317105 1585525 6405521 32027605 160138025