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11977007 = 72397159
BaseRepresentation
bin101101101100…
…000100101111
3211112111100212
4231230010233
511031231012
61104413035
7203542250
oct55540457
924474325
1011977007
116840559
12401717b
1326346b3
14183ab27
1510b8b22
hexb6c12f

11977007 has 8 divisors (see below), whose sum is σ = 13747200. Its totient is φ = 10221624.

The previous prime is 11977003. The next prime is 11977033. The reversal of 11977007 is 70077911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11977007 - 22 = 11977003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11977003) by changing a digit.

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, 1907 + ... + 5252.

It is an arithmetic number, because the mean of its divisors is an integer number (1718400).

Almost surely, 211977007 is an apocalyptic number.

11977007 is a deficient number, since it is larger than the sum of its proper divisors (1770193).

11977007 is an equidigital number, since it uses as much as digits as its factorization.

11977007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7405.

The product of its (nonzero) digits is 3087, while the sum is 32.

The square root of 11977007 is about 3460.7812701759. The cubic root of 11977007 is about 228.7965304929.

The spelling of 11977007 in words is "eleven million, nine hundred seventy-seven thousand, seven".

Divisors: 1 7 239 1673 7159 50113 1711001 11977007