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34320901 = 132125981
BaseRepresentation
bin1000001011101…
…1001000000101
32101120200102111
42002323020011
532241232101
63223341021
7564502636
oct202731005
971520374
1034320901
111841188a
12b5b1771
137158934
1447b588d
15302e251
hex20bb205

34320901 has 4 divisors (see below), whose sum is σ = 34348204. Its totient is φ = 34293600.

The previous prime is 34320893. The next prime is 34320919. The reversal of 34320901 is 10902343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10902343 = 97711159.

It can be written as a sum of positive squares in 2 ways, for example, as 26061025 + 8259876 = 5105^2 + 2874^2 .

It is a cyclic number.

It is not a de Polignac number, because 34320901 - 23 = 34320893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34320931) 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, 11670 + ... + 14311.

It is an arithmetic number, because the mean of its divisors is an integer number (8587051).

Almost surely, 234320901 is an apocalyptic number.

It is an amenable number.

34320901 is a deficient number, since it is larger than the sum of its proper divisors (27303).

34320901 is a wasteful number, since it uses less digits than its factorization.

34320901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27302.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 34320901 is about 5858.4043049281. The cubic root of 34320901 is about 324.9772007675.

The spelling of 34320901 in words is "thirty-four million, three hundred twenty thousand, nine hundred one".

Divisors: 1 1321 25981 34320901