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11678982 = 237278071
BaseRepresentation
bin101100100011…
…010100000110
3210222100112220
4230203110012
510442211412
61054153210
7201161340
oct54432406
923870486
1011678982
116657657
123ab2806
13255bb53
1417a0290
15105a68c
hexb23506

11678982 has 16 divisors (see below), whose sum is σ = 26694912. Its totient is φ = 3336840.

The previous prime is 11678981. The next prime is 11678987. The reversal of 11678982 is 28987611.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 278071 = 11678982 / (1 + 1 + 6 + 7 + 8 + 9 + 8 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11678981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138994 + ... + 139077.

It is an arithmetic number, because the mean of its divisors is an integer number (1668432).

Almost surely, 211678982 is an apocalyptic number.

11678982 is an abundant number, since it is smaller than the sum of its proper divisors (15015930).

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

11678982 is a wasteful number, since it uses less digits than its factorization.

11678982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278083.

The product of its digits is 48384, while the sum is 42.

The square root of 11678982 is about 3417.4525600219. The cubic root of 11678982 is about 226.8828469081.

The spelling of 11678982 in words is "eleven million, six hundred seventy-eight thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 278071 556142 834213 1668426 1946497 3892994 5839491 11678982