Search a number
-
+
56254140 = 22325595297
BaseRepresentation
bin1101011010010…
…1111010111100
310220212000011200
43112211322330
5103400113030
65325415500
71252103145
oct326457274
9126760150
1056254140
1129832628
1216a0a590
13b867c97
147684acc
154e12d60
hex35a5ebc

56254140 has 72 divisors (see below), whose sum is σ = 173562480. Its totient is φ = 14744064.

The previous prime is 56254123. The next prime is 56254153. The reversal of 56254140 is 4145265.

It is a congruent number.

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, 7972 + ... + 13268.

It is an arithmetic number, because the mean of its divisors is an integer number (2410590).

Almost surely, 256254140 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 56254140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86781240).

56254140 is an abundant number, since it is smaller than the sum of its proper divisors (117308340).

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

56254140 is a wasteful number, since it uses less digits than its factorization.

56254140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371 (or 5366 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 56254140 is about 7500.2759949218. The cubic root of 56254140 is about 383.1641160285.

The spelling of 56254140 in words is "fifty-six million, two hundred fifty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 59 60 90 118 177 180 236 295 354 531 590 708 885 1062 1180 1770 2124 2655 3540 5297 5310 10594 10620 15891 21188 26485 31782 47673 52970 63564 79455 95346 105940 158910 190692 238365 312523 317820 476730 625046 937569 953460 1250092 1562615 1875138 2812707 3125230 3750276 4687845 5625414 6250460 9375690 11250828 14063535 18751380 28127070 56254140