Search a number
-
+
28850601 = 313739759
BaseRepresentation
bin110111000001…
…1100110101001
32000021202120210
41232003212221
524341204401
62510211333
7500140353
oct156034651
960252523
1028850601
111531597a
1297b3b49
135c91a80
143b900d3
1527ed4d6
hex1b839a9

28850601 has 8 divisors (see below), whose sum is σ = 41426560. Its totient is φ = 17754192.

The previous prime is 28850599. The next prime is 28850611. The reversal of 28850601 is 10605882.

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

It is not a de Polignac number, because 28850601 - 21 = 28850599 is a prime.

It is a super-2 number, since 2×288506012 = 1664714356122402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28850611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369841 + ... + 369918.

It is an arithmetic number, because the mean of its divisors is an integer number (5178320).

Almost surely, 228850601 is an apocalyptic number.

It is an amenable number.

28850601 is a deficient number, since it is larger than the sum of its proper divisors (12575959).

28850601 is a wasteful number, since it uses less digits than its factorization.

28850601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739775.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 28850601 is about 5371.2755468324. The cubic root of 28850601 is about 306.7031865508.

The spelling of 28850601 in words is "twenty-eight million, eight hundred fifty thousand, six hundred one".

Divisors: 1 3 13 39 739759 2219277 9616867 28850601