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34307369 = 191805651
BaseRepresentation
bin1000001011011…
…1110100101001
32101112222212022
42002313310221
532240313434
63223154225
7564415325
oct202676451
971488768
1034307369
11184026a8
12b5a5975
137152725
1447b0985
15302a22e
hex20b7d29

34307369 has 4 divisors (see below), whose sum is σ = 36113040. Its totient is φ = 32501700.

The previous prime is 34307341. The next prime is 34307381. The reversal of 34307369 is 96370343.

34307369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 96370343 = 613157211.

It is a cyclic number.

It is not a de Polignac number, because 34307369 - 28 = 34307113 is a prime.

It is a super-2 number, since 2×343073692 = 2353991135404322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34307389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902807 + ... + 902844.

It is an arithmetic number, because the mean of its divisors is an integer number (9028260).

Almost surely, 234307369 is an apocalyptic number.

It is an amenable number.

34307369 is a deficient number, since it is larger than the sum of its proper divisors (1805671).

34307369 is a wasteful number, since it uses less digits than its factorization.

34307369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805670.

The product of its (nonzero) digits is 40824, while the sum is 35.

The square root of 34307369 is about 5857.2492690682. The cubic root of 34307369 is about 324.9344846243.

The spelling of 34307369 in words is "thirty-four million, three hundred seven thousand, three hundred sixty-nine".

Divisors: 1 19 1805651 34307369