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2249140 = 2251071051
BaseRepresentation
bin1000100101000110110100
311020021020111
420211012310
51033433030
6120112404
725055155
oct10450664
94207214
102249140
1112a68a3
12905704
1360996a
1442792c
152e662a
hex2251b4

2249140 has 24 divisors (see below), whose sum is σ = 4771872. Its totient is φ = 890400.

The previous prime is 2249113. The next prime is 2249141. The reversal of 2249140 is 419422.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249141) 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, 1615 + ... + 2665.

It is an arithmetic number, because the mean of its divisors is an integer number (198828).

22249140 is an apocalyptic number.

2249140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2249140 is an abundant number, since it is smaller than the sum of its proper divisors (2522732).

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

2249140 is a wasteful number, since it uses less digits than its factorization.

2249140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2249140 is about 1499.7133059355. The cubic root of 2249140 is about 131.0203724896.

The spelling of 2249140 in words is "two million, two hundred forty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1051 1070 2102 2140 4204 5255 10510 21020 112457 224914 449828 562285 1124570 2249140