Search a number
-
+
124954609 = 1311385061
BaseRepresentation
bin1110111001010…
…10011111110001
322201010100111111
413130222133301
5223442021414
620222113321
73045045103
oct734523761
9281110444
10124954609
116459627a
1235a1b841
131cb70150
1412849573
15ae838c4
hex772a7f1

124954609 has 8 divisors (see below), whose sum is σ = 135758952. Its totient is φ = 114320640.

The previous prime is 124954597. The next prime is 124954619. The reversal of 124954609 is 906459421.

It can be written as a sum of positive squares in 4 ways, for example, as 3073009 + 121881600 = 1753^2 + 11040^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 124954609 - 213 = 124946417 is a prime.

It is a super-2 number, since 2×1249546092 = 31227308620685762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124954619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41062 + ... + 43999.

It is an arithmetic number, because the mean of its divisors is an integer number (16969869).

Almost surely, 2124954609 is an apocalyptic number.

It is an amenable number.

124954609 is a deficient number, since it is larger than the sum of its proper divisors (10804343).

124954609 is a wasteful number, since it uses less digits than its factorization.

124954609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85187.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 124954609 is about 11178.3097559515. The cubic root of 124954609 is about 499.9394713395.

The spelling of 124954609 in words is "one hundred twenty-four million, nine hundred fifty-four thousand, six hundred nine".

Divisors: 1 13 113 1469 85061 1105793 9611893 124954609