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2495240 = 2351153107
BaseRepresentation
bin1001100001001100001000
311200202211022
421201030020
51114321430
6125252012
730131516
oct11411410
94622738
102495240
111454790
12a04008
13694997
1448d4b6
153444e5
hex261308

2495240 has 64 divisors (see below), whose sum is σ = 6298560. Its totient is φ = 881920.

The previous prime is 2495239. The next prime is 2495249. The reversal of 2495240 is 425942.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2495249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23267 + ... + 23373.

It is an arithmetic number, because the mean of its divisors is an integer number (98415).

22495240 is an apocalyptic number.

2495240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2495240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3149280).

2495240 is an abundant number, since it is smaller than the sum of its proper divisors (3803320).

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

2495240 is a wasteful number, since it uses less digits than its factorization.

2495240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2495240 is about 1579.6328687388. The cubic root of 2495240 is about 135.6346885842.

The spelling of 2495240 in words is "two million, four hundred ninety-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 53 55 88 106 107 110 212 214 220 265 424 428 440 530 535 583 856 1060 1070 1166 1177 2120 2140 2332 2354 2915 4280 4664 4708 5671 5830 5885 9416 11342 11660 11770 22684 23320 23540 28355 45368 47080 56710 62381 113420 124762 226840 249524 311905 499048 623810 1247620 2495240