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2245668 = 223187139
BaseRepresentation
bin1000100100010000100100
311020002110220
420210100210
51033330133
6120044340
725042065
oct10442044
94202426
102245668
1112a4227
129036b0
136081c9
1442656c
152e55b3
hex224424

2245668 has 12 divisors (see below), whose sum is σ = 5239920. Its totient is φ = 748552.

The previous prime is 2245657. The next prime is 2245679. The reversal of 2245668 is 8665422.

It is an interprime number because it is at equal distance from previous prime (2245657) and next prime (2245679).

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93558 + ... + 93581.

It is an arithmetic number, because the mean of its divisors is an integer number (436660).

22245668 is an apocalyptic number.

It is an amenable number.

2245668 is an abundant number, since it is smaller than the sum of its proper divisors (2994252).

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

2245668 is a wasteful number, since it uses less digits than its factorization.

2245668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187146 (or 187144 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 2245668 is about 1498.5553042848. Note that the first 3 decimals coincide. The cubic root of 2245668 is about 130.9529190019.

The spelling of 2245668 in words is "two million, two hundred forty-five thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 187139 374278 561417 748556 1122834 2245668