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2490156 = 223323057
BaseRepresentation
bin1001011111111100101100
311200111212000
421133330230
51114141111
6125212300
730110634
oct11377454
94614760
102490156
111450989
12a01090
13692586
1448b6c4
15342c56
hex25ff2c

2490156 has 24 divisors (see below), whose sum is σ = 6456240. Its totient is φ = 830016.

The previous prime is 2490139. The next prime is 2490157. The reversal of 2490156 is 6510942.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2490157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11421 + ... + 11636.

It is an arithmetic number, because the mean of its divisors is an integer number (269010).

22490156 is an apocalyptic number.

It is an amenable number.

2490156 is an abundant number, since it is smaller than the sum of its proper divisors (3966084).

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

2490156 is a wasteful number, since it uses less digits than its factorization.

2490156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23070 (or 23062 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2490156 is about 1578.0228135233. The cubic root of 2490156 is about 135.5425083245.

The spelling of 2490156 in words is "two million, four hundred ninety thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 23057 46114 69171 92228 138342 207513 276684 415026 622539 830052 1245078 2490156