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124445413 = 1007912347
BaseRepresentation
bin1110110101011…
…10001011100101
322200011111000101
413122232023211
5223324223123
620203144101
73040524421
oct732561345
9280144011
10124445413
1164278754
1235815031
131ca22451
1412755b81
15add2aad
hex76ae2e5

124445413 has 4 divisors (see below), whose sum is σ = 124467840. Its totient is φ = 124422988.

The previous prime is 124445381. The next prime is 124445437. The reversal of 124445413 is 314544421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 124445413 - 25 = 124445381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124445443) 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, 3906 + ... + 16252.

It is an arithmetic number, because the mean of its divisors is an integer number (31116960).

Almost surely, 2124445413 is an apocalyptic number.

It is an amenable number.

124445413 is a deficient number, since it is larger than the sum of its proper divisors (22427).

124445413 is a wasteful number, since it uses less digits than its factorization.

124445413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22426.

The product of its digits is 7680, while the sum is 28.

The square root of 124445413 is about 11155.5104320690. The cubic root of 124445413 is about 499.2594543926.

Adding to 124445413 its reverse (314544421), we get a palindrome (438989834).

The spelling of 124445413 in words is "one hundred twenty-four million, four hundred forty-five thousand, four hundred thirteen".

Divisors: 1 10079 12347 124445413