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159244025 = 527387257
BaseRepresentation
bin10010111110111…
…01111011111001
3102002122102201212
421133131323321
5311231302100
623445052505
73642360203
oct1137357371
9362572655
10159244025
1181986436
12453b7135
1326cb7645
1417213773
15dea8635
hex97ddef9

159244025 has 12 divisors (see below), whose sum is σ = 200169852. Its totient is φ = 125648640.

The previous prime is 159244003. The next prime is 159244031. The reversal of 159244025 is 520442951.

It can be written as a sum of positive squares in 6 ways, for example, as 28987456 + 130256569 = 5384^2 + 11413^2 .

It is not a de Polignac number, because 159244025 - 26 = 159243961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159243982 and 159244000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41804 + ... + 45453.

It is an arithmetic number, because the mean of its divisors is an integer number (16680821).

Almost surely, 2159244025 is an apocalyptic number.

It is an amenable number.

159244025 is a deficient number, since it is larger than the sum of its proper divisors (40925827).

159244025 is an equidigital number, since it uses as much as digits as its factorization.

159244025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87340 (or 87335 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 159244025 is about 12619.1927237839. The cubic root of 159244025 is about 542.0271598977.

Adding to 159244025 its reverse (520442951), we get a palindrome (679686976).

The spelling of 159244025 in words is "one hundred fifty-nine million, two hundred forty-four thousand, twenty-five".

Divisors: 1 5 25 73 365 1825 87257 436285 2181425 6369761 31848805 159244025