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7689242 = 2111811931
BaseRepresentation
bin11101010101010000011010
3112110122122202
4131111100122
53432023432
6432450202
7122233421
oct35252032
915418582
107689242
114382050
1226a9962
131792b62
1410422b8
15a1d462
hex75541a

7689242 has 16 divisors (see below), whose sum is σ = 12658464. Its totient is φ = 3474000.

The previous prime is 7689239. The next prime is 7689257. The reversal of 7689242 is 2429867.

It is a junction number, because it is equal to n+sod(n) for n = 7689196 and 7689205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3017 + ... + 4947.

It is an arithmetic number, because the mean of its divisors is an integer number (791154).

Almost surely, 27689242 is an apocalyptic number.

7689242 is a deficient number, since it is larger than the sum of its proper divisors (4969222).

7689242 is a wasteful number, since it uses less digits than its factorization.

7689242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125.

The product of its digits is 48384, while the sum is 38.

The square root of 7689242 is about 2772.9482505088. The cubic root of 7689242 is about 197.3760756523.

The spelling of 7689242 in words is "seven million, six hundred eighty-nine thousand, two hundred forty-two".

Divisors: 1 2 11 22 181 362 1931 1991 3862 3982 21241 42482 349511 699022 3844621 7689242