Search a number
-
+
56540450 = 2521130809
BaseRepresentation
bin1101011110101…
…1110100100010
310221101112220202
43113223310202
5103433243300
65335505202
71254404651
oct327536442
9127345822
1056540450
1129a0874a
1216b28202
13b9383b5
14771b198
154e6cad5
hex35ebd22

56540450 has 12 divisors (see below), whose sum is σ = 105165330. Its totient is φ = 22616160.

The previous prime is 56540423. The next prime is 56540461. The reversal of 56540450 is 5404565.

It can be written as a sum of positive squares in 3 ways, for example, as 30946969 + 25593481 = 5563^2 + 5059^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 565355 + ... + 565454.

Almost surely, 256540450 is an apocalyptic number.

56540450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56540450 is a deficient number, since it is larger than the sum of its proper divisors (48624880).

56540450 is a wasteful number, since it uses less digits than its factorization.

56540450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130821 (or 1130816 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 56540450 is about 7519.3384017479. The cubic root of 56540450 is about 383.8130645753.

The spelling of 56540450 in words is "fifty-six million, five hundred forty thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 1130809 2261618 5654045 11308090 28270225 56540450