Search a number
-
+
34830641 = 157122171
BaseRepresentation
bin1000010011011…
…1100100110001
32102112120122202
42010313210301
532404040031
63242312545
7602025026
oct204674461
972476582
1034830641
111872a85a
12b7b8755
1372a6961
1448a954d
1530d02cb
hex2137931

34830641 has 4 divisors (see below), whose sum is σ = 34854384. Its totient is φ = 34806900.

The previous prime is 34830611. The next prime is 34830643. The reversal of 34830641 is 14603843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14603843 = 122311941.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34830641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34830643) 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, 9515 + ... + 12656.

It is an arithmetic number, because the mean of its divisors is an integer number (8713596).

Almost surely, 234830641 is an apocalyptic number.

It is an amenable number.

34830641 is a deficient number, since it is larger than the sum of its proper divisors (23743).

34830641 is a wasteful number, since it uses less digits than its factorization.

34830641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23742.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 34830641 is about 5901.7489780573. The cubic root of 34830641 is about 326.5781734242.

The spelling of 34830641 in words is "thirty-four million, eight hundred thirty thousand, six hundred forty-one".

Divisors: 1 1571 22171 34830641