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124043442 = 2320673907
BaseRepresentation
bin1110110010011…
…00000010110010
322122102001121120
413121030002302
5223223342232
620150403110
73034231455
oct731140262
9278361546
10124043442
1164023746
1235660496
131c9114b3
141268d49c
15ad5392c
hex764c0b2

124043442 has 8 divisors (see below), whose sum is σ = 248086896. Its totient is φ = 41347812.

The previous prime is 124043399. The next prime is 124043443. The reversal of 124043442 is 244340421.

It is a happy number.

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

124043442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (124043443) 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, 10336948 + ... + 10336959.

It is an arithmetic number, because the mean of its divisors is an integer number (31010862).

Almost surely, 2124043442 is an apocalyptic number.

124043442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

124043442 is a wasteful number, since it uses less digits than its factorization.

124043442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20673912.

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

The square root of 124043442 is about 11137.4791582297. The cubic root of 124043442 is about 498.7213220865.

Adding to 124043442 its reverse (244340421), we get a palindrome (368383863).

The spelling of 124043442 in words is "one hundred twenty-four million, forty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 20673907 41347814 62021721 124043442