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126741456 = 2433397739
BaseRepresentation
bin1111000110111…
…10101111010000
322211111010121000
413203132233100
5224421211311
620324302000
73066166422
oct743365720
9284433530
10126741456
11655a6806
1236541900
132034755a
1412b92812
15b1d8056
hex78debd0

126741456 has 80 divisors (see below), whose sum is σ = 365204800. Its totient is φ = 42083712.

The previous prime is 126741427. The next prime is 126741467. The reversal of 126741456 is 654147621.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 126741456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171135 + ... + 171873.

It is an arithmetic number, because the mean of its divisors is an integer number (4565060).

Almost surely, 2126741456 is an apocalyptic number.

126741456 is a gapful number since it is divisible by the number (16) 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 126741456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182602400).

126741456 is an abundant number, since it is smaller than the sum of its proper divisors (238463344).

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

126741456 is a wasteful number, since it uses less digits than its factorization.

126741456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153 (or 1141 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 126741456 is about 11257.9507904414. The cubic root of 126741456 is about 502.3112411999.

The spelling of 126741456 in words is "one hundred twenty-six million, seven hundred forty-one thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 397 432 739 794 1191 1478 1588 2217 2382 2956 3176 3573 4434 4764 5912 6352 6651 7146 8868 9528 10719 11824 13302 14292 17736 19056 19953 21438 26604 28584 35472 39906 42876 53208 57168 79812 85752 106416 159624 171504 293383 319248 586766 880149 1173532 1760298 2347064 2640447 3520596 4694128 5280894 7041192 7921341 10561788 14082384 15842682 21123576 31685364 42247152 63370728 126741456