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125106432 = 2831159251
BaseRepresentation
bin1110111010011…
…11100100000000
322201102001202120
413131033210000
5224011401212
620225244240
73046246533
oct735174400
9281361676
10125106432
116468a350
1235a93680
131cbc4299
1412888a1a
15aeb388c
hex774f900

125106432 has 144 divisors (see below), whose sum is σ = 370863360. Its totient is φ = 37120000.

The previous prime is 125106409. The next prime is 125106437. The reversal of 125106432 is 234601521.

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

It is not an unprimeable number, because it can be changed into a prime (125106437) 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, 498307 + ... + 498557.

It is an arithmetic number, because the mean of its divisors is an integer number (2575440).

Almost surely, 2125106432 is an apocalyptic number.

125106432 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 125106432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185431680).

125106432 is an abundant number, since it is smaller than the sum of its proper divisors (245756928).

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

125106432 is a wasteful number, since it uses less digits than its factorization.

125106432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 125106432 is about 11185.0986584831. The cubic root of 125106432 is about 500.1418690759.

Adding to 125106432 its reverse (234601521), we get a palindrome (359707953).

The spelling of 125106432 in words is "one hundred twenty-five million, one hundred six thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 59 64 66 88 96 118 128 132 176 177 192 236 251 256 264 352 354 384 472 502 528 649 704 708 753 768 944 1004 1056 1298 1408 1416 1506 1888 1947 2008 2112 2596 2761 2816 2832 3012 3776 3894 4016 4224 5192 5522 5664 6024 7552 7788 8032 8283 8448 10384 11044 11328 12048 14809 15104 15576 16064 16566 20768 22088 22656 24096 29618 31152 32128 33132 41536 44176 44427 45312 48192 59236 62304 64256 66264 83072 88352 88854 96384 118472 124608 132528 162899 166144 176704 177708 192768 236944 249216 265056 325798 353408 355416 473888 488697 498432 530112 651596 706816 710832 947776 977394 1060224 1303192 1421664 1895552 1954788 2120448 2606384 2843328 3791104 3909576 5212768 5686656 7819152 10425536 11373312 15638304 20851072 31276608 41702144 62553216 125106432