Search a number
-
+
28576034 = 214288017
BaseRepresentation
bin110110100000…
…0100100100010
31222202210221122
41231000210202
524303413114
62500252242
7464615024
oct155004442
958683848
1028576034
1115148663
1296a1082
135bc6ac6
143b1c014
152796e8e
hex1b40922

28576034 has 4 divisors (see below), whose sum is σ = 42864054. Its totient is φ = 14288016.

The previous prime is 28576033. The next prime is 28576043. The reversal of 28576034 is 43067582.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43067582 = 221533791.

It can be written as a sum of positive squares in only one way, i.e., 27931225 + 644809 = 5285^2 + 803^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28575985 and 28576003.

It is not an unprimeable number, because it can be changed into a prime (28576033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7144007 + ... + 7144010.

Almost surely, 228576034 is an apocalyptic number.

28576034 is a deficient number, since it is larger than the sum of its proper divisors (14288020).

28576034 is a wasteful number, since it uses less digits than its factorization.

28576034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14288019.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 28576034 is about 5345.6556192856. The cubic root of 28576034 is about 305.7271336868.

The spelling of 28576034 in words is "twenty-eight million, five hundred seventy-six thousand, thirty-four".

Divisors: 1 2 14288017 28576034