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124668220 = 2256233411
BaseRepresentation
bin1110110111001…
…00100100111100
322200120210122111
413123210210330
5223403340340
620212023404
73042443125
oct733444474
9280523574
10124668220
1164410096
1235901b64
131ca9c9a1
14127b304c
15ae28aea
hex76e493c

124668220 has 12 divisors (see below), whose sum is σ = 261803304. Its totient is φ = 49867280.

The previous prime is 124668209. The next prime is 124668221. The reversal of 124668220 is 22866421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124668221) 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, 3116686 + ... + 3116725.

It is an arithmetic number, because the mean of its divisors is an integer number (21816942).

Almost surely, 2124668220 is an apocalyptic number.

124668220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124668220 is an abundant number, since it is smaller than the sum of its proper divisors (137135084).

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

124668220 is a wasteful number, since it uses less digits than its factorization.

124668220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233420 (or 6233418 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 124668220 is about 11165.4923760665. The cubic root of 124668220 is about 499.5572347002.

The spelling of 124668220 in words is "one hundred twenty-four million, six hundred sixty-eight thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 6233411 12466822 24933644 31167055 62334110 124668220