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125354142 = 23431109229
BaseRepresentation
bin1110111100011…
…00000010011110
322201212122120000
413132030002132
5224042313032
620234435130
73051330654
oct736140236
9281778500
10125354142
1164839471
1235b92aa6
131cc7cc64
1412910dd4
15b011e7c
hex778c09e

125354142 has 80 divisors (see below), whose sum is σ = 293884800. Its totient is φ = 39890880.

The previous prime is 125354129. The next prime is 125354143. The reversal of 125354142 is 241453521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125354143) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 547284 + ... + 547512.

It is an arithmetic number, because the mean of its divisors is an integer number (3673560).

Almost surely, 2125354142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125354142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146942400).

125354142 is an abundant number, since it is smaller than the sum of its proper divisors (168530658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125354142 is a wasteful number, since it uses less digits than its factorization.

125354142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 374 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 125354142 is about 11196.1663974773. The cubic root of 125354142 is about 500.4717441083.

The spelling of 125354142 in words is "one hundred twenty-five million, three hundred fifty-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 27 31 54 62 81 93 109 162 186 218 229 279 327 458 558 654 687 837 981 1374 1674 1962 2061 2511 2943 3379 4122 5022 5886 6183 6758 7099 8829 10137 12366 14198 17658 18549 20274 21297 24961 30411 37098 42594 49922 60822 63891 74883 91233 127782 149766 182466 191673 224649 273699 383346 449298 547398 575019 673947 773791 1150038 1347894 1547582 2021841 2321373 4043682 4642746 6964119 13928238 20892357 41784714 62677071 125354142