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124331442 = 2320721907
BaseRepresentation
bin1110110100100…
…10010110110010
322122221200200020
413122102112302
5223312101232
620200504310
73036541224
oct732222662
9278850606
10124331442
1164200064
123577b096
131c9b2601
1412726414
15adade2c
hex76925b2

124331442 has 8 divisors (see below), whose sum is σ = 248662896. Its totient is φ = 41443812.

The previous prime is 124331423. The next prime is 124331443. The reversal of 124331442 is 244133421.

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

124331442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (124331443) 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, 10360948 + ... + 10360959.

It is an arithmetic number, because the mean of its divisors is an integer number (31082862).

Almost surely, 2124331442 is an apocalyptic number.

124331442 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.

124331442 is a wasteful number, since it uses less digits than its factorization.

124331442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20721912.

The product of its digits is 2304, while the sum is 24.

The square root of 124331442 is about 11150.4009793370. The cubic root of 124331442 is about 499.1069953683.

Adding to 124331442 its reverse (244133421), we get a palindrome (368464863).

The spelling of 124331442 in words is "one hundred twenty-four million, three hundred thirty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 20721907 41443814 62165721 124331442