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125850381 = 361687707
BaseRepresentation
bin1111000000001…
…01001100001101
322202210212021020
413200011030031
5224204203011
620253224353
73055465506
oct740051415
9282725236
10125850381
1165048288
12361920b9
13200c4aa7
14129ddbad
15b0ae006
hex780530d

125850381 has 8 divisors (see below), whose sum is σ = 170551584. Its totient is φ = 82524720.

The previous prime is 125850367. The next prime is 125850409. The reversal of 125850381 is 183058521.

It is a happy number.

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

It is not a de Polignac number, because 125850381 - 27 = 125850253 is a prime.

It is a super-2 number, since 2×1258503812 = 31676636795690322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125850311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343671 + ... + 344036.

It is an arithmetic number, because the mean of its divisors is an integer number (21318948).

Almost surely, 2125850381 is an apocalyptic number.

It is an amenable number.

125850381 is a deficient number, since it is larger than the sum of its proper divisors (44701203).

125850381 is an equidigital number, since it uses as much as digits as its factorization.

125850381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687771.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 125850381 is about 11218.3056207254. The cubic root of 125850381 is about 501.1312798149.

The spelling of 125850381 in words is "one hundred twenty-five million, eight hundred fifty thousand, three hundred eighty-one".

Divisors: 1 3 61 183 687707 2063121 41950127 125850381