Search a number
-
+
56487814 = 228243907
BaseRepresentation
bin1101011101111…
…0111110000110
310221021212201021
43113132332012
5103430102224
65334421354
71254065335
oct327367606
9127255637
1056487814
1129982149
1216b0185a
13b91a456
147705d1c
154e5c1e4
hex35def86

56487814 has 4 divisors (see below), whose sum is σ = 84731724. Its totient is φ = 28243906.

The previous prime is 56487811. The next prime is 56487841. The reversal of 56487814 is 41878465.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56487811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14121952 + ... + 14121955.

It is an arithmetic number, because the mean of its divisors is an integer number (21182931).

Almost surely, 256487814 is an apocalyptic number.

56487814 is a deficient number, since it is larger than the sum of its proper divisors (28243910).

56487814 is a wasteful number, since it uses less digits than its factorization.

56487814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28243909.

The product of its digits is 215040, while the sum is 43.

The square root of 56487814 is about 7515.8375448116. The cubic root of 56487814 is about 383.6939247571.

The spelling of 56487814 in words is "fifty-six million, four hundred eighty-seven thousand, eight hundred fourteen".

Divisors: 1 2 28243907 56487814