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111272007 = 3711481697
BaseRepresentation
bin1101010000111…
…10000001000111
321202101012111110
412220132001013
5211441201012
615012540103
72520540120
oct650360107
9252335443
10111272007
11578a0340
1231321633
131a08c332
1410ac7047
159b7e73c
hex6a1e047

111272007 has 16 divisors (see below), whose sum is σ = 184972032. Its totient is φ = 57803520.

The previous prime is 111271997. The next prime is 111272011. The reversal of 111272007 is 700272111.

It is a happy number.

It is not a de Polignac number, because 111272007 - 215 = 111239239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111272017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240618 + ... + 241079.

It is an arithmetic number, because the mean of its divisors is an integer number (11560752).

Almost surely, 2111272007 is an apocalyptic number.

111272007 is a deficient number, since it is larger than the sum of its proper divisors (73700025).

111272007 is a wasteful number, since it uses less digits than its factorization.

111272007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481718.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 111272007 is about 10548.5547351284. The cubic root of 111272007 is about 480.9817968771.

The spelling of 111272007 in words is "one hundred eleven million, two hundred seventy-two thousand, seven".

Divisors: 1 3 7 11 21 33 77 231 481697 1445091 3371879 5298667 10115637 15896001 37090669 111272007