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56263740 = 223513531361
BaseRepresentation
bin1101011010100…
…0010000111100
310220212111100020
43112220100330
5103400414430
65325532140
71252143141
oct326502074
9126774306
1056263740
1129839865
1216a14050
13b86c470
1476883c8
154e15b10
hex35a843c

56263740 has 96 divisors (see below), whose sum is σ = 172984896. Its totient is φ = 13578240.

The previous prime is 56263733. The next prime is 56263751. The reversal of 56263740 is 4736265.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40660 + ... + 42020.

It is an arithmetic number, because the mean of its divisors is an integer number (1801926).

Almost surely, 256263740 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 56263740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86492448).

56263740 is an abundant number, since it is smaller than the sum of its proper divisors (116721156).

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

56263740 is a wasteful number, since it uses less digits than its factorization.

56263740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 56263740 is about 7500.9159440698. The cubic root of 56263740 is about 383.1859109654.

The spelling of 56263740 in words is "fifty-six million, two hundred sixty-three thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 53 60 65 78 106 130 156 159 195 212 260 265 318 390 530 636 689 780 795 1060 1361 1378 1590 2067 2722 2756 3180 3445 4083 4134 5444 6805 6890 8166 8268 10335 13610 13780 16332 17693 20415 20670 27220 35386 40830 41340 53079 70772 72133 81660 88465 106158 144266 176930 212316 216399 265395 288532 353860 360665 432798 530790 721330 865596 937729 1061580 1081995 1442660 1875458 2163990 2813187 3750916 4327980 4688645 5626374 9377290 11252748 14065935 18754580 28131870 56263740