Search a number
-
+
2397984 = 25324979
BaseRepresentation
bin1001001001011100100000
311111211102020
421021130200
51103213414
6123221440
726245131
oct11113440
94454366
102397984
111398706
12977880
1365c634
14465c88
153257a9
hex249720

2397984 has 24 divisors (see below), whose sum is σ = 6294960. Its totient is φ = 799296.

The previous prime is 2397961. The next prime is 2397991. The reversal of 2397984 is 4897932.

It is a tau number, because it is divible by the number of its divisors (24).

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, 12394 + ... + 12585.

It is an arithmetic number, because the mean of its divisors is an integer number (262290).

22397984 is an apocalyptic number.

2397984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2397984 is an abundant number, since it is smaller than the sum of its proper divisors (3896976).

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

2397984 is a wasteful number, since it uses less digits than its factorization.

2397984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24992 (or 24984 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 2397984 is about 1548.5425405845. The cubic root of 2397984 is about 133.8490912696.

The spelling of 2397984 in words is "two million, three hundred ninety-seven thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 24979 49958 74937 99916 149874 199832 299748 399664 599496 799328 1198992 2397984