Search a number
-
+
30206064 = 243789899
BaseRepresentation
bin111001100111…
…0100001110000
32002211121221010
41303032201300
530213043224
62555230520
7514514220
oct163164160
962747833
1030206064
1116061299
12a148440
136347a15
144024080
1529b9e29
hex1cce870

30206064 has 40 divisors (see below), whose sum is σ = 89180800. Its totient is φ = 8630208.

The previous prime is 30206063. The next prime is 30206083. The reversal of 30206064 is 46060203.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 30206064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30206063) 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, 44614 + ... + 45285.

It is an arithmetic number, because the mean of its divisors is an integer number (2229520).

Almost surely, 230206064 is an apocalyptic number.

It is an amenable number.

30206064 is an abundant number, since it is smaller than the sum of its proper divisors (58974736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30206064 is a wasteful number, since it uses less digits than its factorization.

30206064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89917 (or 89911 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 30206064 is about 5496.0043668105. The cubic root of 30206064 is about 311.4330598429.

Adding to 30206064 its reverse (46060203), we get a palindrome (76266267).

The spelling of 30206064 in words is "thirty million, two hundred six thousand, sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 89899 179798 269697 359596 539394 629293 719192 1078788 1258586 1438384 1887879 2157576 2517172 3775758 4315152 5034344 7551516 10068688 15103032 30206064