Search a number
-
+
28608946 = 219752867
BaseRepresentation
bin110110100100…
…0100110110010
31222211111002121
41231020212302
524310441241
62501104454
7465113002
oct155104662
958744077
1028608946
1115170363
1296b812a
135c08a92
143b2a002
1527a1ad1
hex1b489b2

28608946 has 8 divisors (see below), whose sum is σ = 45172080. Its totient is φ = 13551588.

The previous prime is 28608929. The next prime is 28608949. The reversal of 28608946 is 64980682.

It is a happy number.

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 (28608949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376396 + ... + 376471.

It is an arithmetic number, because the mean of its divisors is an integer number (5646510).

Almost surely, 228608946 is an apocalyptic number.

28608946 is a deficient number, since it is larger than the sum of its proper divisors (16563134).

28608946 is a wasteful number, since it uses less digits than its factorization.

28608946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752888.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 28608946 is about 5348.7331210297. The cubic root of 28608946 is about 305.8444608025.

The spelling of 28608946 in words is "twenty-eight million, six hundred eight thousand, nine hundred forty-six".

Divisors: 1 2 19 38 752867 1505734 14304473 28608946