Search a number
-
+
124650145 = 561408689
BaseRepresentation
bin1110110111000…
…00001010100001
322200112212212001
413123200022201
5223402301040
620211404001
73042336334
oct733401241
9280485761
10124650145
11643a8554
12358b3601
131ca946a9
14127aa61b
15ae2359a
hex76e02a1

124650145 has 8 divisors (see below), whose sum is σ = 152032680. Its totient is φ = 98085120.

The previous prime is 124650139. The next prime is 124650173. The reversal of 124650145 is 541056421.

It can be written as a sum of positive squares in 4 ways, for example, as 7491169 + 117158976 = 2737^2 + 10824^2 .

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

It is not a de Polignac number, because 124650145 - 27 = 124650017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204040 + ... + 204649.

It is an arithmetic number, because the mean of its divisors is an integer number (19004085).

Almost surely, 2124650145 is an apocalyptic number.

It is an amenable number.

124650145 is a deficient number, since it is larger than the sum of its proper divisors (27382535).

124650145 is an equidigital number, since it uses as much as digits as its factorization.

124650145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408755.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 124650145 is about 11164.6829332498. The cubic root of 124650145 is about 499.5330907940.

The spelling of 124650145 in words is "one hundred twenty-four million, six hundred fifty thousand, one hundred forty-five".

Divisors: 1 5 61 305 408689 2043445 24930029 124650145