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124411661 = 1117665303
BaseRepresentation
bin1110110101001…
…01111100001101
322200002202201022
413122211330031
5223322133121
620202323525
73040324133
oct732457415
9280082638
10124411661
1164255360
12357b95a5
131ca0cc8a
1412747753
15adc7aab
hex76a5f0d

124411661 has 8 divisors (see below), whose sum is σ = 143705664. Its totient is φ = 106448320.

The previous prime is 124411657. The next prime is 124411681. The reversal of 124411661 is 166114421.

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

It is not a de Polignac number, because 124411661 - 22 = 124411657 is a prime.

It is a super-2 number, since 2×1244116612 = 30956522785557842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124411661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124411631) 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, 332465 + ... + 332838.

It is an arithmetic number, because the mean of its divisors is an integer number (17963208).

Almost surely, 2124411661 is an apocalyptic number.

124411661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124411661 is a deficient number, since it is larger than the sum of its proper divisors (19294003).

124411661 is a wasteful number, since it uses less digits than its factorization.

124411661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665331.

The product of its digits is 1152, while the sum is 26.

The square root of 124411661 is about 11153.9975345165. The cubic root of 124411661 is about 499.2143140418.

The spelling of 124411661 in words is "one hundred twenty-four million, four hundred eleven thousand, six hundred sixty-one".

Divisors: 1 11 17 187 665303 7318333 11310151 124411661