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2487725 = 52151659
BaseRepresentation
bin1001011111010110101101
311200101111222
421133112231
51114101400
6125153125
730100562
oct11372655
94611458
102487725
11144a079
129bb7a5
13691436
1448a869
15342185
hex25f5ad

2487725 has 12 divisors (see below), whose sum is σ = 3109920. Its totient is φ = 1974000.

The previous prime is 2487713. The next prime is 2487739. The reversal of 2487725 is 5277842.

It is not a de Polignac number, because 2487725 - 218 = 2225581 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, 3446 + ... + 4104.

It is an arithmetic number, because the mean of its divisors is an integer number (259160).

22487725 is an apocalyptic number.

2487725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2487725 is a deficient number, since it is larger than the sum of its proper divisors (622195).

2487725 is a wasteful number, since it uses less digits than its factorization.

2487725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 815 counting only the distinct ones).

The product of its digits is 31360, while the sum is 35.

The square root of 2487725 is about 1577.2523577411. The cubic root of 2487725 is about 135.4983864407.

The spelling of 2487725 in words is "two million, four hundred eighty-seven thousand, seven hundred twenty-five".

Divisors: 1 5 25 151 659 755 3295 3775 16475 99509 497545 2487725