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125460240 = 24354312157
BaseRepresentation
bin1110111101001…
…01111100010000
322202002001002120
413132211330100
5224104211430
620241014240
73052252203
oct736457420
9282061076
10125460240
1164901154
1236024380
131ccb9339
141293b93a
15b033610
hex77a5f10

125460240 has 80 divisors (see below), whose sum is σ = 398004288. Its totient is φ = 32675328.

The previous prime is 125460233. The next prime is 125460241. The reversal of 125460240 is 42064521.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 125460240.

It is not an unprimeable number, because it can be changed into a prime (125460241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4242 + ... + 16398.

Almost surely, 2125460240 is an apocalyptic number.

125460240 is a gapful number since it is divisible by the number (10) 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 125460240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199002144).

125460240 is an abundant number, since it is smaller than the sum of its proper divisors (272544048).

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

125460240 is a wasteful number, since it uses less digits than its factorization.

125460240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12216 (or 12210 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 125460240 is about 11200.9035349832. The cubic root of 125460240 is about 500.6129017293.

The spelling of 125460240 in words is "one hundred twenty-five million, four hundred sixty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 43 48 60 80 86 120 129 172 215 240 258 344 430 516 645 688 860 1032 1290 1720 2064 2580 3440 5160 10320 12157 24314 36471 48628 60785 72942 97256 121570 145884 182355 194512 243140 291768 364710 486280 522751 583536 729420 972560 1045502 1458840 1568253 2091004 2613755 2917680 3136506 4182008 5227510 6273012 7841265 8364016 10455020 12546024 15682530 20910040 25092048 31365060 41820080 62730120 125460240