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125125344 = 2533971493
BaseRepresentation
bin1110111010101…
…00001011100000
322201110000201000
413131110023200
5224013002334
620225512000
73046355631
oct735241340
9281400630
10125125344
11646a2583
1235aa2600
131cbcca86
1412891888
15aeb9299
hex77542e0

125125344 has 96 divisors (see below), whose sum is σ = 368958240. Its totient is φ = 41250816.

The previous prime is 125125291. The next prime is 125125349. The reversal of 125125344 is 443521521.

125125344 is a `hidden beast` number, since 125 + 1 + 2 + 534 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1251253442 = 31312703422236672, which contains 22 as substring.

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 (125125349) 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 15 ways as a sum of consecutive naturals, for example, 83062 + ... + 84554.

It is an arithmetic number, because the mean of its divisors is an integer number (3843315).

Almost surely, 2125125344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125125344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184479120).

125125344 is an abundant number, since it is smaller than the sum of its proper divisors (243832896).

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

125125344 is a wasteful number, since it uses less digits than its factorization.

125125344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1595 counting only the distinct ones).

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

The square root of 125125344 is about 11185.9440370494. The cubic root of 125125344 is about 500.1670695027.

Adding to 125125344 its reverse (443521521), we get a palindrome (568646865).

The spelling of 125125344 in words is "one hundred twenty-five million, one hundred twenty-five thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 97 108 144 194 216 288 291 388 432 582 776 864 873 1164 1493 1552 1746 2328 2619 2986 3104 3492 4479 4656 5238 5972 6984 8958 9312 10476 11944 13437 13968 17916 20952 23888 26874 27936 35832 40311 41904 47776 53748 71664 80622 83808 107496 143328 144821 161244 214992 289642 322488 429984 434463 579284 644976 868926 1158568 1289952 1303389 1737852 2317136 2606778 3475704 3910167 4634272 5213556 6951408 7820334 10427112 13902816 15640668 20854224 31281336 41708448 62562672 125125344