Search a number
-
+
56089936 = 2471789331
BaseRepresentation
bin1101010111110…
…1110101010000
310220112122221001
43111331311100
5103324334221
65322111344
71250520340
oct325756520
9126478831
1056089936
1129730221
121694b554
13b80b316
147640d20
154dce391
hex357dd50

56089936 has 80 divisors (see below), whose sum is σ = 133384320. Its totient is φ = 22302720.

The previous prime is 56089907. The next prime is 56089949. The reversal of 56089936 is 63998065.

56089936 is a nontrivial binomial coefficient, being equal to C(10592, 2).

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, 169291 + ... + 169621.

It is an arithmetic number, because the mean of its divisors is an integer number (1667304).

Almost surely, 256089936 is an apocalyptic number.

56089936 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

56089936 is the 10591-st triangular number and also the 5296-th hexagonal number.

56089936 is the 3531-st centered nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56089936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66692160).

56089936 is an abundant number, since it is smaller than the sum of its proper divisors (77294384).

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

56089936 is a wasteful number, since it uses less digits than its factorization.

56089936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 56089936 is about 7489.3214645921. The cubic root of 56089936 is about 382.7909381753.

The spelling of 56089936 in words is "fifty-six million, eighty-nine thousand, nine hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 17 28 34 56 68 89 112 119 136 178 238 272 331 356 476 623 662 712 952 1246 1324 1424 1513 1904 2317 2492 2648 3026 4634 4984 5296 5627 6052 9268 9968 10591 11254 12104 18536 21182 22508 24208 29459 37072 39389 42364 45016 58918 78778 84728 90032 117836 157556 169456 206213 235672 315112 412426 471344 500803 630224 824852 1001606 1649704 2003212 3299408 3505621 4006424 7011242 8012848 14022484 28044968 56089936