Search a number
-
+
28456359 = 323412411
BaseRepresentation
bin110110010001…
…1010110100111
31222112201210020
41230203112213
524241100414
62453530223
7463606101
oct154432647
958481706
1028456359
1115076758
129643973
135b844a9
143aca571
1527717a9
hex1b235a7

28456359 has 8 divisors (see below), whose sum is σ = 39591552. Its totient is φ = 18146040.

The previous prime is 28456343. The next prime is 28456369. The reversal of 28456359 is 95365482.

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

It is not a de Polignac number, because 28456359 - 24 = 28456343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28456359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28456339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206137 + ... + 206274.

It is an arithmetic number, because the mean of its divisors is an integer number (4948944).

Almost surely, 228456359 is an apocalyptic number.

28456359 is a deficient number, since it is larger than the sum of its proper divisors (11135193).

28456359 is a wasteful number, since it uses less digits than its factorization.

28456359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412437.

The product of its digits is 259200, while the sum is 42.

The square root of 28456359 is about 5334.4502059725. The cubic root of 28456359 is about 305.2997465275.

The spelling of 28456359 in words is "twenty-eight million, four hundred fifty-six thousand, three hundred fifty-nine".

Divisors: 1 3 23 69 412411 1237233 9485453 28456359