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124420344 = 23337167839
BaseRepresentation
bin1110110101010…
…00000011111000
322200010012121220
413122220003320
5223322422334
620202432040
73040361346
oct732500370
9280105556
10124420344
1164260934
1235802620
131ca13c09
141274a996
15adca449
hex76a80f8

124420344 has 64 divisors (see below), whose sum is σ = 321753600. Its totient is φ = 40063104.

The previous prime is 124420343. The next prime is 124420393. The reversal of 124420344 is 443024421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124420343) 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 15 ways as a sum of consecutive naturals, for example, 147877 + ... + 148715.

It is an arithmetic number, because the mean of its divisors is an integer number (5027400).

Almost surely, 2124420344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124420344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160876800).

124420344 is an abundant number, since it is smaller than the sum of its proper divisors (197333256).

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

124420344 is a wasteful number, since it uses less digits than its factorization.

124420344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 124420344 is about 11154.3867603737. The cubic root of 124420344 is about 499.2259275755.

Adding to 124420344 its reverse (443024421), we get a palindrome (567444765).

The spelling of 124420344 in words is "one hundred twenty-four million, four hundred twenty thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 167 222 296 334 444 501 668 839 888 1002 1336 1678 2004 2517 3356 4008 5034 6179 6712 10068 12358 18537 20136 24716 31043 37074 49432 62086 74148 93129 124172 140113 148296 186258 248344 280226 372516 420339 560452 745032 840678 1120904 1681356 3362712 5184181 10368362 15552543 20736724 31105086 41473448 62210172 124420344