Search a number
-
+
125372749 = 1277191373
BaseRepresentation
bin1110111100100…
…00100101001101
322201220121002011
413132100211031
5224043411444
620235101221
73051436135
oct736204515
9281817064
10125372749
1164851447
1235ba1811
131cc88578
1412917ac5
15b017734
hex779094d

125372749 has 8 divisors (see below), whose sum is σ = 126627840. Its totient is φ = 124122096.

The previous prime is 125372717. The next prime is 125372789. The reversal of 125372749 is 947273521.

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 125372749 - 25 = 125372717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125372789) 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, 90627 + ... + 91999.

It is an arithmetic number, because the mean of its divisors is an integer number (15828480).

Almost surely, 2125372749 is an apocalyptic number.

It is an amenable number.

125372749 is a deficient number, since it is larger than the sum of its proper divisors (1255091).

125372749 is a wasteful number, since it uses less digits than its factorization.

125372749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219.

The product of its digits is 105840, while the sum is 40.

The square root of 125372749 is about 11196.9973207106. The cubic root of 125372749 is about 500.4965054681.

The spelling of 125372749 in words is "one hundred twenty-five million, three hundred seventy-two thousand, seven hundred forty-nine".

Divisors: 1 127 719 1373 91313 174371 987187 125372749