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2427992 = 237191227
BaseRepresentation
bin1001010000110001011000
311120100120122
421100301120
51110143432
6124012412
726431460
oct11206130
94510518
102427992
111409206
12991108
136701a8
14472ba0
1532e612
hex250c58

2427992 has 32 divisors (see below), whose sum is σ = 5253120. Its totient is φ = 1030560.

The previous prime is 2427989. The next prime is 2428003. The reversal of 2427992 is 2997242.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 10583 + ... + 10809.

It is an arithmetic number, because the mean of its divisors is an integer number (164160).

22427992 is an apocalyptic number.

It is an amenable number.

2427992 is an abundant number, since it is smaller than the sum of its proper divisors (2825128).

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

2427992 is a wasteful number, since it uses less digits than its factorization.

2427992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 427 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 2427992 is about 1558.2015274027. The cubic root of 2427992 is about 134.4051006662.

The spelling of 2427992 in words is "two million, four hundred twenty-seven thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 14 28 56 191 227 382 454 764 908 1337 1528 1589 1816 2674 3178 5348 6356 10696 12712 43357 86714 173428 303499 346856 606998 1213996 2427992