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34640363 = 194738791
BaseRepresentation
bin1000010000100…
…1000111101011
32102011220122102
42010021013223
532331442423
63234244015
7600303212
oct204110753
972156572
1034640363
111860a8aa
12b72660b
13723b174
14485a079
153093c28
hex21091eb

34640363 has 8 divisors (see below), whose sum is σ = 37240320. Its totient is φ = 32118120.

The previous prime is 34640357. The next prime is 34640381. The reversal of 34640363 is 36304643.

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

It is a cyclic number.

It is not a de Polignac number, because 34640363 - 28 = 34640107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34640303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18503 + ... + 20288.

It is an arithmetic number, because the mean of its divisors is an integer number (4655040).

Almost surely, 234640363 is an apocalyptic number.

34640363 is a deficient number, since it is larger than the sum of its proper divisors (2599957).

34640363 is a wasteful number, since it uses less digits than its factorization.

34640363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38857.

The product of its (nonzero) digits is 15552, while the sum is 29.

The square root of 34640363 is about 5885.6064258494. The cubic root of 34640363 is about 325.9823939455.

The spelling of 34640363 in words is "thirty-four million, six hundred forty thousand, three hundred sixty-three".

Divisors: 1 19 47 893 38791 737029 1823177 34640363