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2286140 = 225151757
BaseRepresentation
bin1000101110001000111100
311022010222212
420232020330
51041124030
6120555552
725301063
oct10561074
94263885
102286140
11132167a
12922bb8
1362075c
144371da
15302595
hex22e23c

2286140 has 24 divisors (see below), whose sum is σ = 4839072. Its totient is φ = 907200.

The previous prime is 2286139. The next prime is 2286149. The reversal of 2286140 is 416822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2286149) 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, 2642 + ... + 3398.

It is an arithmetic number, because the mean of its divisors is an integer number (201628).

22286140 is an apocalyptic number.

2286140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2286140 is an abundant number, since it is smaller than the sum of its proper divisors (2552932).

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

2286140 is a wasteful number, since it uses less digits than its factorization.

2286140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2286140 is about 1511.9986772481. The cubic root of 2286140 is about 131.7349287298.

The spelling of 2286140 in words is "two million, two hundred eighty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 151 302 604 755 757 1510 1514 3020 3028 3785 7570 15140 114307 228614 457228 571535 1143070 2286140