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124945089 = 367761519
BaseRepresentation
bin1110111001010…
…00001011000001
322201002212102220
413130220023001
5223441220324
620222001253
73045005253
oct734501301
9281085386
10124945089
116458a105
1235a16229
131cb68a09
1412845cd3
15ae80b79
hex77282c1

124945089 has 8 divisors (see below), whose sum is σ = 166842240. Its totient is φ = 83172336.

The previous prime is 124945069. The next prime is 124945099. The reversal of 124945089 is 980549421.

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

It is not a de Polignac number, because 124945089 - 27 = 124944961 is a prime.

It is a super-2 number, since 2×1249450892 = 31222550530435842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124945089.

It is not an unprimeable number, because it can be changed into a prime (124945069) 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, 28729 + ... + 32790.

It is an arithmetic number, because the mean of its divisors is an integer number (20855280).

Almost surely, 2124945089 is an apocalyptic number.

It is an amenable number.

124945089 is a deficient number, since it is larger than the sum of its proper divisors (41897151).

124945089 is an equidigital number, since it uses as much as digits as its factorization.

124945089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62199.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 124945089 is about 11177.8839231762. The cubic root of 124945089 is about 499.9267746099.

The spelling of 124945089 in words is "one hundred twenty-four million, nine hundred forty-five thousand, eighty-nine".

Divisors: 1 3 677 2031 61519 184557 41648363 124945089