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2645069 = 72232347
BaseRepresentation
bin1010000101110001001101
311222101100112
422011301031
51134120234
6132405405
731324400
oct12056115
94871315
102645069
111547309
12a76865
13717c3b
144cbd37
15373ace
hex285c4d

2645069 has 12 divisors (see below), whose sum is σ = 3212064. Its totient is φ = 2167704.

The previous prime is 2645063. The next prime is 2645087. The reversal of 2645069 is 9605462.

It is not a de Polignac number, because 2645069 - 212 = 2640973 is a prime.

It is a super-2 number, since 2×26450692 = 13992780029522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645063) 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, 47 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (267672).

22645069 is an apocalyptic number.

It is an amenable number.

2645069 is a deficient number, since it is larger than the sum of its proper divisors (566995).

2645069 is a wasteful number, since it uses less digits than its factorization.

2645069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384 (or 2377 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2645069 is about 1626.3668097941. The cubic root of 2645069 is about 138.2968649533.

The spelling of 2645069 in words is "two million, six hundred forty-five thousand, sixty-nine".

Divisors: 1 7 23 49 161 1127 2347 16429 53981 115003 377867 2645069