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2388897 = 32725417
BaseRepresentation
bin1001000111001110100001
311111100221200
421013032201
51102421042
6123111413
726206500
oct11071641
94440850
102388897
1113918a5
12972569
13658464
14462837
15322c4c
hex2473a1

2388897 has 18 divisors (see below), whose sum is σ = 4014738. Its totient is φ = 1364832.

The previous prime is 2388887. The next prime is 2388899. The reversal of 2388897 is 7988832.

It can be written as a sum of positive squares in only one way, i.e., 1535121 + 853776 = 1239^2 + 924^2 .

It is not a de Polignac number, because 2388897 - 26 = 2388833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2388899) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2268 + ... + 3149.

It is an arithmetic number, because the mean of its divisors is an integer number (223041).

22388897 is an apocalyptic number.

It is an amenable number.

2388897 is a deficient number, since it is larger than the sum of its proper divisors (1625841).

2388897 is a wasteful number, since it uses less digits than its factorization.

2388897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437 (or 5427 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 2388897 is about 1545.6057065112. The cubic root of 2388897 is about 133.6798065315.

The spelling of 2388897 in words is "two million, three hundred eighty-eight thousand, eight hundred ninety-seven".

Divisors: 1 3 7 9 21 49 63 147 441 5417 16251 37919 48753 113757 265433 341271 796299 2388897