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56134240 = 255794441
BaseRepresentation
bin1101011000100…
…0101001100000
310220121220200221
43112020221200
5103332243430
65323052424
71251063451
oct326105140
9126556627
1056134240
1129760538
1216971114
13b825536
147653128
154ddc57a
hex3588a60

56134240 has 48 divisors (see below), whose sum is σ = 134326080. Its totient is φ = 22164480.

The previous prime is 56134231. The next prime is 56134241. The reversal of 56134240 is 4243165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56134241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10420 + ... + 14860.

It is an arithmetic number, because the mean of its divisors is an integer number (2798460).

Almost surely, 256134240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56134240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67163040).

56134240 is an abundant number, since it is smaller than the sum of its proper divisors (78191840).

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

56134240 is a wasteful number, since it uses less digits than its factorization.

56134240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535 (or 4527 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 56134240 is about 7492.2786920936. The cubic root of 56134240 is about 382.8916972281.

The spelling of 56134240 in words is "fifty-six million, one hundred thirty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 79 80 158 160 316 395 632 790 1264 1580 2528 3160 4441 6320 8882 12640 17764 22205 35528 44410 71056 88820 142112 177640 350839 355280 701678 710560 1403356 1754195 2806712 3508390 5613424 7016780 11226848 14033560 28067120 56134240