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125223049 = 7155311519
BaseRepresentation
bin1110111011011…
…00000010001001
322201121222201201
413131230002021
5224024114144
620231544201
73050243530
oct735540211
9281558651
10125223049
1164759a26
1235b2b061
131cc353a3
14128b9317
15aed81d4
hex776c089

125223049 has 8 divisors (see below), whose sum is σ = 143216640. Its totient is φ = 107255616.

The previous prime is 125223029. The next prime is 125223079. The reversal of 125223049 is 940322521.

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 125223049 - 27 = 125222921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125223019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5112 + ... + 16630.

It is an arithmetic number, because the mean of its divisors is an integer number (17902080).

Almost surely, 2125223049 is an apocalyptic number.

It is an amenable number.

125223049 is a deficient number, since it is larger than the sum of its proper divisors (17993591).

125223049 is a wasteful number, since it uses less digits than its factorization.

125223049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13079.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 125223049 is about 11190.3104961391. The cubic root of 125223049 is about 500.2972219499.

The spelling of 125223049 in words is "one hundred twenty-five million, two hundred twenty-three thousand, forty-nine".

Divisors: 1 7 1553 10871 11519 80633 17889007 125223049