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125343072 = 2533239607
BaseRepresentation
bin1110111100010…
…01010101100000
322201212002101000
413132021111200
5224041434242
620234312000
73051253461
oct736112540
9281762330
10125343072
1164831118
1235b88600
131cc77bca
141290ad68
15b00da4c
hex7789560

125343072 has 96 divisors (see below), whose sum is σ = 367718400. Its totient is φ = 41537664.

The previous prime is 125343047. The next prime is 125343079. The reversal of 125343072 is 270343521.

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

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 (125343079) 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, 206193 + ... + 206799.

It is an arithmetic number, because the mean of its divisors is an integer number (3830400).

Almost surely, 2125343072 is an apocalyptic number.

125343072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125343072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183859200).

125343072 is an abundant number, since it is smaller than the sum of its proper divisors (242375328).

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

125343072 is a wasteful number, since it uses less digits than its factorization.

125343072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 125343072 is about 11195.6720209195. The cubic root of 125343072 is about 500.4570114871.

Adding to 125343072 its reverse (270343521), we get a palindrome (395686593).

The spelling of 125343072 in words is "one hundred twenty-five million, three hundred forty-three thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 239 288 432 478 607 717 864 956 1214 1434 1821 1912 2151 2428 2868 3642 3824 4302 4856 5463 5736 6453 7284 7648 8604 9712 10926 11472 12906 14568 16389 17208 19424 21852 22944 25812 29136 32778 34416 43704 51624 58272 65556 68832 87408 103248 131112 145073 174816 206496 262224 290146 435219 524448 580292 870438 1160584 1305657 1740876 2321168 2611314 3481752 3916971 4642336 5222628 6963504 7833942 10445256 13927008 15667884 20890512 31335768 41781024 62671536 125343072