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2428280 = 235173571
BaseRepresentation
bin1001010000110101111000
311120100222022
421100311320
51110201110
6124014012
726432351
oct11206570
94510868
102428280
111409448
12991308
1367036a
14472d28
1532e755
hex250d78

2428280 has 32 divisors (see below), whose sum is σ = 5786640. Its totient is φ = 913920.

The previous prime is 2428267. The next prime is 2428291. The reversal of 2428280 is 828242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106 + ... + 2465.

22428280 is an apocalyptic number.

2428280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2428280 is an abundant number, since it is smaller than the sum of its proper divisors (3358360).

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

2428280 is a wasteful number, since it uses less digits than its factorization.

2428280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599 (or 3595 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 2428280 is about 1558.2939388960. The cubic root of 2428280 is about 134.4104146786.

The spelling of 2428280 in words is "two million, four hundred twenty-eight thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 3571 7142 14284 17855 28568 35710 60707 71420 121414 142840 242828 303535 485656 607070 1214140 2428280