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2432989 = 1317101109
BaseRepresentation
bin1001010001111111011101
311120121102201
421101333131
51110323424
6124051501
726452156
oct11217735
94517381
102432989
111411a39
12993b91
13672550
1447492d
15330d44
hex251fdd

2432989 has 16 divisors (see below), whose sum is σ = 2827440. Its totient is φ = 2073600.

The previous prime is 2432987. The next prime is 2432999. The reversal of 2432989 is 9892342.

It can be written as a sum of positive squares in 8 ways, for example, as 280900 + 2152089 = 530^2 + 1467^2 .

It is a cyclic number.

It is not a de Polignac number, because 2432989 - 21 = 2432987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2432987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22267 + ... + 22375.

It is an arithmetic number, because the mean of its divisors is an integer number (176715).

22432989 is an apocalyptic number.

It is an amenable number.

2432989 is a deficient number, since it is larger than the sum of its proper divisors (394451).

2432989 is a wasteful number, since it uses less digits than its factorization.

2432989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240.

The product of its digits is 31104, while the sum is 37.

The square root of 2432989 is about 1559.8041543732. The cubic root of 2432989 is about 134.4972429335.

The spelling of 2432989 in words is "two million, four hundred thirty-two thousand, nine hundred eighty-nine".

Divisors: 1 13 17 101 109 221 1313 1417 1717 1853 11009 22321 24089 143117 187153 2432989