Search a number
-
+
56802128 = 2417320521
BaseRepresentation
bin1101100010101…
…1101101010000
310221212211212112
43120223231100
5104020132003
65345244452
71256544605
oct330535520
9127784775
1056802128
112a077309
1217033728
13b9ca536
1477886ac
154ec03d8
hex362bb50

56802128 has 20 divisors (see below), whose sum is σ = 110695668. Its totient is φ = 28235520.

The previous prime is 56802113. The next prime is 56802139. The reversal of 56802128 is 82120865.

56802128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45050944 + 11751184 = 6712^2 + 3428^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56802094 and 56802103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7493 + ... + 13028.

Almost surely, 256802128 is an apocalyptic number.

It is an amenable number.

56802128 is a deficient number, since it is larger than the sum of its proper divisors (53893540).

56802128 is a wasteful number, since it uses less digits than its factorization.

56802128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20702 (or 20696 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 56802128 is about 7536.7186493858. The cubic root of 56802128 is about 384.4042689766.

The spelling of 56802128 in words is "fifty-six million, eight hundred two thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 173 346 692 1384 2768 20521 41042 82084 164168 328336 3550133 7100266 14200532 28401064 56802128