Search a number
-
+
56563485 = 35112911821
BaseRepresentation
bin1101011111000…
…1011100011101
310221102201111220
43113301130131
5103440012420
65340203553
71254532056
oct327613435
9127381456
1056563485
1129a23a90
1216b395b9
13b945a24
14772572d
154e74840
hex35f171d

56563485 has 32 divisors (see below), whose sum is σ = 102142080. Its totient is φ = 26476800.

The previous prime is 56563483. The next prime is 56563511. The reversal of 56563485 is 58436565.

It is a happy number.

It is not a de Polignac number, because 56563485 - 21 = 56563483 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56563483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1126 + ... + 10695.

It is an arithmetic number, because the mean of its divisors is an integer number (3191940).

Almost surely, 256563485 is an apocalyptic number.

56563485 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56563485 is a deficient number, since it is larger than the sum of its proper divisors (45578595).

56563485 is a wasteful number, since it uses less digits than its factorization.

56563485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11869.

The product of its digits is 432000, while the sum is 42.

The square root of 56563485 is about 7520.8699629764. The cubic root of 56563485 is about 383.8651802646.

Subtracting 56563485 from its reverse (58436565), we obtain a triangular number (1873080 = T1935).

The spelling of 56563485 in words is "fifty-six million, five hundred sixty-three thousand, four hundred eighty-five".

Divisors: 1 3 5 11 15 29 33 55 87 145 165 319 435 957 1595 4785 11821 35463 59105 130031 177315 342809 390093 650155 1028427 1714045 1950465 3770899 5142135 11312697 18854495 56563485