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124143042 = 2320690507
BaseRepresentation
bin1110110011001…
…00010111000010
322122121010020110
413121210113002
5223240034132
620152452150
73035125032
oct731442702
9278533213
10124143042
1164091561
12356aa056
131c94792a
14126b78c2
15ad731cc
hex76645c2

124143042 has 8 divisors (see below), whose sum is σ = 248286096. Its totient is φ = 41381012.

The previous prime is 124143031. The next prime is 124143073. The reversal of 124143042 is 240341421.

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

124143042 is an admirable number.

It is a super-2 number, since 2×1241430422 = 30822989754027528, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 10345248 + ... + 10345259.

It is an arithmetic number, because the mean of its divisors is an integer number (31035762).

Almost surely, 2124143042 is an apocalyptic number.

124143042 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.

124143042 is a wasteful number, since it uses less digits than its factorization.

124143042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20690512.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 124143042 is about 11141.9496498593. The cubic root of 124143042 is about 498.8547682244.

Adding to 124143042 its reverse (240341421), we get a palindrome (364484463).

The spelling of 124143042 in words is "one hundred twenty-four million, one hundred forty-three thousand, forty-two".

Divisors: 1 2 3 6 20690507 41381014 62071521 124143042