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125114640 = 24357210639
BaseRepresentation
bin1110111010100…
…01100100010000
322201102111000120
413131101210100
5224012132030
620225350240
73046312500
oct735214420
9281374016
10125114640
1164695532
1235a98380
131cbc7c41
141288ba00
15aeb6010
hex7751910

125114640 has 120 divisors (see below), whose sum is σ = 451221120. Its totient is φ = 28594944.

The previous prime is 125114629. The next prime is 125114663. The reversal of 125114640 is 46411521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

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 125114640.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6441 + ... + 17079.

It is an arithmetic number, because the mean of its divisors is an integer number (3760176).

Almost surely, 2125114640 is an apocalyptic number.

125114640 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 125114640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225610560).

125114640 is an abundant number, since it is smaller than the sum of its proper divisors (326106480).

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

125114640 is a wasteful number, since it uses less digits than its factorization.

125114640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10669 (or 10656 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 125114640 is about 11185.4655692108. The cubic root of 125114640 is about 500.1528066288.

The spelling of 125114640 in words is "one hundred twenty-five million, one hundred fourteen thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 49 56 60 70 80 84 98 105 112 120 140 147 168 196 210 240 245 280 294 336 392 420 490 560 588 735 784 840 980 1176 1470 1680 1960 2352 2940 3920 5880 10639 11760 21278 31917 42556 53195 63834 74473 85112 106390 127668 148946 159585 170224 212780 223419 255336 297892 319170 372365 425560 446838 510672 521311 595784 638340 744730 851120 893676 1042622 1117095 1191568 1276680 1489460 1563933 1787352 2085244 2234190 2553360 2606555 2978920 3127866 3574704 4170488 4468380 5213110 5957840 6255732 7819665 8340976 8936760 10426220 12511464 15639330 17873520 20852440 25022928 31278660 41704880 62557320 125114640