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2858725 = 52412789
BaseRepresentation
bin1010111001111011100101
312101020102201
422321323211
51212434400
6141134501
733204322
oct12717345
95336381
102858725
111682891
12b5a431
1379126c
14545b49
153b706a
hex2b9ee5

2858725 has 12 divisors (see below), whose sum is σ = 3632580. Its totient is φ = 2230400.

The previous prime is 2858711. The next prime is 2858741. The reversal of 2858725 is 5278582.

It can be written as a sum of positive squares in 6 ways, for example, as 352836 + 2505889 = 594^2 + 1583^2 .

It is not a de Polignac number, because 2858725 - 211 = 2856677 is a prime.

It is a congruent number.

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, 370 + ... + 2419.

It is an arithmetic number, because the mean of its divisors is an integer number (302715).

22858725 is an apocalyptic number.

2858725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2858725 is a deficient number, since it is larger than the sum of its proper divisors (773855).

2858725 is a wasteful number, since it uses less digits than its factorization.

2858725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840 (or 2835 counting only the distinct ones).

The product of its digits is 44800, while the sum is 37.

The square root of 2858725 is about 1690.7764488542. The cubic root of 2858725 is about 141.9245284327.

The spelling of 2858725 in words is "two million, eight hundred fifty-eight thousand, seven hundred twenty-five".

Divisors: 1 5 25 41 205 1025 2789 13945 69725 114349 571745 2858725