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11412978 = 236131183
BaseRepresentation
bin101011100010…
…010111110010
3210110211122220
4223202113302
510410203403
61044341510
7166002663
oct53422762
923424586
1011412978
116495815
1239a4896
132497a55
14173136a
151006953
hexae25f2

11412978 has 16 divisors (see below), whose sum is σ = 23200896. Its totient is φ = 3741840.

The previous prime is 11412959. The next prime is 11413007. The reversal of 11412978 is 87921411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15226 + ... + 15957.

It is an arithmetic number, because the mean of its divisors is an integer number (1450056).

Almost surely, 211412978 is an apocalyptic number.

11412978 is an abundant number, since it is smaller than the sum of its proper divisors (11787918).

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

11412978 is a wasteful number, since it uses less digits than its factorization.

11412978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31249.

The product of its digits is 4032, while the sum is 33.

The square root of 11412978 is about 3378.3099324958. The cubic root of 11412978 is about 225.1470840761.

The spelling of 11412978 in words is "eleven million, four hundred twelve thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 61 122 183 366 31183 62366 93549 187098 1902163 3804326 5706489 11412978