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2485660 = 225373359
BaseRepresentation
bin1001011110110110011100
311200021200111
421132312130
51114020120
6125135404
730061552
oct11366634
94607614
102485660
111448571
129ba564
13690508
14489bd2
1534175a
hex25ed9c

2485660 has 24 divisors (see below), whose sum is σ = 5362560. Its totient is φ = 967104.

The previous prime is 2485657. The next prime is 2485663. The reversal of 2485660 is 665842.

It is an interprime number because it is at equal distance from previous prime (2485657) and next prime (2485663).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2485663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940 + ... + 2419.

It is an arithmetic number, because the mean of its divisors is an integer number (223440).

22485660 is an apocalyptic number.

2485660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2485660 is an abundant number, since it is smaller than the sum of its proper divisors (2876900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2485660 is a wasteful number, since it uses less digits than its factorization.

2485660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405 (or 3403 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2485660 is about 1576.5976024338. The cubic root of 2485660 is about 135.4608847576.

The spelling of 2485660 in words is "two million, four hundred eighty-five thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 3359 6718 13436 16795 33590 67180 124283 248566 497132 621415 1242830 2485660