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2045725 = 521143173
BaseRepresentation
bin111110011011100011101
310211221012121
413303130131
51010430400
6111502541
723250133
oct7633435
93757177
102045725
111177a90
12827a51
135681b6
143b3753
152a621a
hex1f371d

2045725 has 24 divisors (see below), whose sum is σ = 2848032. Its totient is φ = 1444800.

The previous prime is 2045713. The next prime is 2045731. The reversal of 2045725 is 5275402.

It is not a de Polignac number, because 2045725 - 29 = 2045213 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2045725.

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, 11739 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (118668).

22045725 is an apocalyptic number.

2045725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2045725 is a deficient number, since it is larger than the sum of its proper divisors (802307).

2045725 is a wasteful number, since it uses less digits than its factorization.

2045725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 2045725 is about 1430.2884324499. The cubic root of 2045725 is about 126.9450441129.

It can be divided in two parts, 204 and 5725, that added together give a square (5929 = 772).

The spelling of 2045725 in words is "two million, forty-five thousand, seven hundred twenty-five".

Divisors: 1 5 11 25 43 55 173 215 275 473 865 1075 1903 2365 4325 7439 9515 11825 37195 47575 81829 185975 409145 2045725