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11968904 = 2310114813
BaseRepresentation
bin101101101010…
…000110001000
3211112002020202
4231222012020
511031001104
61104311332
7203506523
oct55520610
924462222
1011968904
116835462
124012548
132630abc
141837bba
1510b651e
hexb6a188

11968904 has 16 divisors (see below), whose sum is σ = 22665420. Its totient is φ = 5924800.

The previous prime is 11968903. The next prime is 11968939. The reversal of 11968904 is 40986911.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11546404 + 422500 = 3398^2 + 650^2 .

It is a super-2 number, since 2×119689042 = 286509325922432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11968903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6599 + ... + 8214.

Almost surely, 211968904 is an apocalyptic number.

It is an amenable number.

11968904 is a deficient number, since it is larger than the sum of its proper divisors (10696516).

11968904 is a wasteful number, since it uses less digits than its factorization.

11968904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14920 (or 14916 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 11968904 is about 3459.6103826876. The cubic root of 11968904 is about 228.7449217024.

The spelling of 11968904 in words is "eleven million, nine hundred sixty-eight thousand, nine hundred four".

Divisors: 1 2 4 8 101 202 404 808 14813 29626 59252 118504 1496113 2992226 5984452 11968904