Search a number
-
+
28500610 = 252850061
BaseRepresentation
bin110110010111…
…0001010000010
31222121222111011
41230232022002
524244004420
62454511134
7464152105
oct154561202
958558434
1028500610
11150a6a26
1296654aa
135b9b688
143adc73c
15277e95a
hex1b2e282

28500610 has 8 divisors (see below), whose sum is σ = 51301116. Its totient is φ = 11400240.

The previous prime is 28500601. The next prime is 28500613. The reversal of 28500610 is 1600582.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28291761 + 208849 = 5319^2 + 457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28500613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425021 + ... + 1425040.

Almost surely, 228500610 is an apocalyptic number.

28500610 is a deficient number, since it is larger than the sum of its proper divisors (22800506).

28500610 is a wasteful number, since it uses less digits than its factorization.

28500610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850068.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 28500610 is about 5338.5962574445. The cubic root of 28500610 is about 305.4579164738.

The spelling of 28500610 in words is "twenty-eight million, five hundred thousand, six hundred ten".

Divisors: 1 2 5 10 2850061 5700122 14250305 28500610