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124950985 = 541609517
BaseRepresentation
bin1110111001010…
…01100111001001
322201010011112021
413130221213021
5223441412420
620222044441
73045031405
oct734514711
9281104467
10124950985
1164593585
1235a19721
131cb6b5c3
1412848105
15ae827aa
hex77299c9

124950985 has 8 divisors (see below), whose sum is σ = 153598536. Its totient is φ = 97522560.

The previous prime is 124950977. The next prime is 124950989. The reversal of 124950985 is 589059421.

It can be written as a sum of positive squares in 4 ways, for example, as 7033104 + 117917881 = 2652^2 + 10859^2 .

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

It is not a de Polignac number, because 124950985 - 23 = 124950977 is a prime.

It is a super-2 number, since 2×1249509852 = 31225497304940450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124950989) 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, 304554 + ... + 304963.

It is an arithmetic number, because the mean of its divisors is an integer number (19199817).

Almost surely, 2124950985 is an apocalyptic number.

It is an amenable number.

124950985 is a deficient number, since it is larger than the sum of its proper divisors (28647551).

124950985 is an equidigital number, since it uses as much as digits as its factorization.

124950985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609563.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 124950985 is about 11178.1476551350. The cubic root of 124950985 is about 499.9346381227.

The spelling of 124950985 in words is "one hundred twenty-four million, nine hundred fifty thousand, nine hundred eighty-five".

Divisors: 1 5 41 205 609517 3047585 24990197 124950985