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124242311 = 1952312503
BaseRepresentation
bin1110110011111…
…00100110000111
322122210011102002
413121330212013
5223301223221
620154535515
73036020324
oct731744607
9278704362
10124242311
116414a0a6
123573759b
131c980b7b
1412701b4b
15ad9280b
hex767c987

124242311 has 8 divisors (see below), whose sum is σ = 131041920. Its totient is φ = 117468792.

The previous prime is 124242271. The next prime is 124242317. The reversal of 124242311 is 113242421.

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

It is a de Polignac number, because none of the positive numbers 2k-124242311 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 (124242317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3686 + ... + 16188.

It is an arithmetic number, because the mean of its divisors is an integer number (16380240).

Almost surely, 2124242311 is an apocalyptic number.

124242311 is a deficient number, since it is larger than the sum of its proper divisors (6799609).

124242311 is a wasteful number, since it uses less digits than its factorization.

124242311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13045.

The product of its digits is 384, while the sum is 20.

The square root of 124242311 is about 11146.4035006813. The cubic root of 124242311 is about 498.9876998801.

Adding to 124242311 its reverse (113242421), we get a palindrome (237484732).

The spelling of 124242311 in words is "one hundred twenty-four million, two hundred forty-two thousand, three hundred eleven".

Divisors: 1 19 523 9937 12503 237557 6539069 124242311