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2249960 = 23556249
BaseRepresentation
bin1000100101010011101000
311020022100212
420211103220
51033444320
6120120252
725060436
oct10452350
94208325
102249960
1112a7479
12906088
1360a14b
14427d56
152e69c5
hex2254e8

2249960 has 16 divisors (see below), whose sum is σ = 5062500. Its totient is φ = 899968.

The previous prime is 2249959. The next prime is 2249963. The reversal of 2249960 is 699422.

It can be written as a sum of positive squares in 2 ways, for example, as 2172676 + 77284 = 1474^2 + 278^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2249963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28085 + ... + 28164.

22249960 is an apocalyptic number.

2249960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2249960 is an abundant number, since it is smaller than the sum of its proper divisors (2812540).

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

2249960 is a wasteful number, since it uses less digits than its factorization.

2249960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56260 (or 56256 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2249960 is about 1499.9866666074. The cubic root of 2249960 is about 131.0362931899.

The spelling of 2249960 in words is "two million, two hundred forty-nine thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 56249 112498 224996 281245 449992 562490 1124980 2249960