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124323442 = 262161721
BaseRepresentation
bin1110110100100…
…00011001110010
322122221021200221
413122100121302
5223311322232
620200403254
73036506005
oct732203162
9278837627
10124323442
11641a5051
123577652a
131c9aba89
141272353c
15adab897
hex7690672

124323442 has 4 divisors (see below), whose sum is σ = 186485166. Its totient is φ = 62161720.

The previous prime is 124323421. The next prime is 124323457. The reversal of 124323442 is 244323421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244323421 = 563433967.

It can be written as a sum of positive squares in only one way, i.e., 71048041 + 53275401 = 8429^2 + 7299^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 31080859 + ... + 31080862.

Almost surely, 2124323442 is an apocalyptic number.

124323442 is a deficient number, since it is larger than the sum of its proper divisors (62161724).

124323442 is an equidigital number, since it uses as much as digits as its factorization.

124323442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62161723.

The product of its digits is 4608, while the sum is 25.

The square root of 124323442 is about 11150.0422420724. The cubic root of 124323442 is about 499.0962902682.

Adding to 124323442 its reverse (244323421), we get a palindrome (368646863).

The spelling of 124323442 in words is "one hundred twenty-four million, three hundred twenty-three thousand, four hundred forty-two".

Divisors: 1 2 62161721 124323442