Search a number
-
+
125220633 = 3215319387
BaseRepresentation
bin1110111011010…
…11011100011001
322201121212102020
413131223130121
5224024030013
620231525053
73050233506
oct735533431
9281555366
10125220633
116475812a
1235b29789
131cc34265
14128b84ad
15aed7623
hex776b719

125220633 has 8 divisors (see below), whose sum is σ = 167047008. Its totient is φ = 83437344.

The previous prime is 125220631. The next prime is 125220647. The reversal of 125220633 is 336022521.

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

It is not a de Polignac number, because 125220633 - 21 = 125220631 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125220631) 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, 3235 + ... + 16152.

It is an arithmetic number, because the mean of its divisors is an integer number (20880876).

Almost surely, 2125220633 is an apocalyptic number.

It is an amenable number.

125220633 is a deficient number, since it is larger than the sum of its proper divisors (41826375).

125220633 is a wasteful number, since it uses less digits than its factorization.

125220633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21543.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 125220633 is about 11190.2025450838. The cubic root of 125220633 is about 500.2940044222.

The spelling of 125220633 in words is "one hundred twenty-five million, two hundred twenty thousand, six hundred thirty-three".

Divisors: 1 3 2153 6459 19387 58161 41740211 125220633