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2552165 = 57211947
BaseRepresentation
bin1001101111000101100101
311210122220122
421233011211
51123132130
6130411325
730456500
oct11570545
94718818
102552165
111493530
12a30b45
136b4875
144a6137
153562e5
hex26f165

2552165 has 24 divisors (see below), whose sum is σ = 3890592. Its totient is φ = 1589280.

The previous prime is 2552119. The next prime is 2552171. The reversal of 2552165 is 5612552.

It is not a de Polignac number, because 2552165 - 212 = 2548069 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2222 + ... + 3168.

It is an arithmetic number, because the mean of its divisors is an integer number (162108).

22552165 is an apocalyptic number.

It is an amenable number.

2552165 is a deficient number, since it is larger than the sum of its proper divisors (1338427).

2552165 is a wasteful number, since it uses less digits than its factorization.

2552165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977 (or 970 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 2552165 is about 1597.5496862383. The cubic root of 2552165 is about 136.6583741416.

The spelling of 2552165 in words is "two million, five hundred fifty-two thousand, one hundred sixty-five".

Divisors: 1 5 7 11 35 49 55 77 245 385 539 947 2695 4735 6629 10417 33145 46403 52085 72919 232015 364595 510433 2552165