Search a number
-
+
125254144 = 29244637
BaseRepresentation
bin1110111011100…
…11101000000000
322201200120101101
413131303220000
5224031113034
620232344144
73050433301
oct735635000
9281616341
10125254144
1164780324
1235b45054
131cc465a2
14128c67a8
15aee2514
hex7773a00

125254144 has 20 divisors (see below), whose sum is σ = 250264674. Its totient is φ = 62626816.

The previous prime is 125254127. The next prime is 125254169. The reversal of 125254144 is 441452521.

It can be written as a sum of positive squares in only one way, i.e., 122943744 + 2310400 = 11088^2 + 1520^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 121807 + ... + 122830.

Almost surely, 2125254144 is an apocalyptic number.

It is an amenable number.

125254144 is a deficient number, since it is larger than the sum of its proper divisors (125010530).

125254144 is an frugal number, since it uses more digits than its factorization.

125254144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244655 (or 244639 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 125254144 is about 11191.6997815345. The cubic root of 125254144 is about 500.3386292753.

The spelling of 125254144 in words is "one hundred twenty-five million, two hundred fifty-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 244637 489274 978548 1957096 3914192 7828384 15656768 31313536 62627072 125254144