Search a number
-
+
34830520 = 2354332011
BaseRepresentation
bin1000010011011…
…1100010111000
32102112120111021
42010313202320
532404034040
63242312224
7602024464
oct204674270
972476437
1034830520
111872a75a
12b7b8674
1372a689a
1448a94a4
1530d024a
hex21378b8

34830520 has 32 divisors (see below), whose sum is σ = 78588720. Its totient is φ = 13893120.

The previous prime is 34830463. The next prime is 34830527. The reversal of 34830520 is 2503843.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34830527) 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, 16315 + ... + 18325.

Almost surely, 234830520 is an apocalyptic number.

It is an amenable number.

34830520 is an abundant number, since it is smaller than the sum of its proper divisors (43758200).

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

34830520 is a wasteful number, since it uses less digits than its factorization.

34830520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455 (or 2451 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 34830520 is about 5901.7387268499. The cubic root of 34830520 is about 326.5777952513.

The spelling of 34830520 in words is "thirty-four million, eight hundred thirty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 433 866 1732 2011 2165 3464 4022 4330 8044 8660 10055 16088 17320 20110 40220 80440 870763 1741526 3483052 4353815 6966104 8707630 17415260 34830520