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2553161 = 13238539
BaseRepresentation
bin1001101111010101001001
311210201021112
421233111021
51123200121
6130420105
730462422
oct11572511
94721245
102553161
111494256
12a31635
136b5160
144a6649
1535675b
hex26f549

2553161 has 8 divisors (see below), whose sum is σ = 2869440. Its totient is φ = 2254032.

The previous prime is 2553157. The next prime is 2553203. The reversal of 2553161 is 1613552.

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 2553161 - 22 = 2553157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553101) 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, 3971 + ... + 4568.

It is an arithmetic number, because the mean of its divisors is an integer number (358680).

22553161 is an apocalyptic number.

It is an amenable number.

2553161 is a deficient number, since it is larger than the sum of its proper divisors (316279).

2553161 is a wasteful number, since it uses less digits than its factorization.

2553161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8575.

The product of its digits is 900, while the sum is 23.

The square root of 2553161 is about 1597.8613832245. The cubic root of 2553161 is about 136.6761491206.

The spelling of 2553161 in words is "two million, five hundred fifty-three thousand, one hundred sixty-one".

Divisors: 1 13 23 299 8539 111007 196397 2553161