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56256480 = 2532575581
BaseRepresentation
bin1101011010011…
…0011111100000
310220212010101100
43112212133200
5103400201410
65325434400
71252113030
oct326463740
9126763340
1056256480
1129834365
1216a0ba00
13b869077
1476858c0
154e138c0
hex35a67e0

56256480 has 144 divisors (see below), whose sum is σ = 219439584. Its totient is φ = 12856320.

The previous prime is 56256467. The next prime is 56256493. The reversal of 56256480 is 8465265.

56256480 is a `hidden beast` number, since 5 + 6 + 2 + 5 + 648 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (56256467) and next prime (56256493).

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

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, 7290 + ... + 12870.

It is an arithmetic number, because the mean of its divisors is an integer number (1523886).

Almost surely, 256256480 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 56256480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109719792).

56256480 is an abundant number, since it is smaller than the sum of its proper divisors (163183104).

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

56256480 is a wasteful number, since it uses less digits than its factorization.

56256480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5609 (or 5598 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 56256480 is about 7500.4319875591. The cubic root of 56256480 is about 383.1694287729.

The spelling of 56256480 in words is "fifty-six million, two hundred fifty-six thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 70 72 80 84 90 96 105 112 120 126 140 144 160 168 180 210 224 240 252 280 288 315 336 360 420 480 504 560 630 672 720 840 1008 1120 1260 1440 1680 2016 2520 3360 5040 5581 10080 11162 16743 22324 27905 33486 39067 44648 50229 55810 66972 78134 83715 89296 100458 111620 117201 133944 156268 167430 178592 195335 200916 223240 234402 251145 267888 312536 334860 351603 390670 401832 446480 468804 502290 535776 586005 625072 669720 703206 781340 803664 892960 937608 1004580 1172010 1250144 1339440 1406412 1562680 1607328 1758015 1875216 2009160 2344020 2678880 2812824 3125360 3516030 3750432 4018320 4688040 5625648 6250720 7032060 8036640 9376080 11251296 14064120 18752160 28128240 56256480