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124240055 = 530418171
BaseRepresentation
bin1110110011111…
…00000010110111
322122210001022112
413121330002313
5223301140210
620154521235
73036010622
oct731740267
9278701275
10124240055
1164148435
123573621b
131c97cb34
1412700db9
15ad91d05
hex767c0b7

124240055 has 8 divisors (see below), whose sum is σ = 149155344. Its totient is φ = 99347200.

The previous prime is 124240037. The next prime is 124240093. The reversal of 124240055 is 550042421.

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 124240055 - 26 = 124239991 is a prime.

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 124240055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11120 + ... + 19290.

It is an arithmetic number, because the mean of its divisors is an integer number (18644418).

Almost surely, 2124240055 is an apocalyptic number.

124240055 is a deficient number, since it is larger than the sum of its proper divisors (24915289).

124240055 is an equidigital number, since it uses as much as digits as its factorization.

124240055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11217.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 124240055 is about 11146.3023016604. The cubic root of 124240055 is about 498.9846796447.

Adding to 124240055 its reverse (550042421), we get a palindrome (674282476).

The spelling of 124240055 in words is "one hundred twenty-four million, two hundred forty thousand, fifty-five".

Divisors: 1 5 3041 8171 15205 40855 24848011 124240055