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34393961 = 78955207
BaseRepresentation
bin1000001100110…
…0111101101001
32101201101122102
42003030331221
532301101321
63225103145
7565225640
oct203147551
971641572
1034393961
1118461768
12b627ab5
137182c74
1447d4357
153045c0b
hex20ccf69

34393961 has 8 divisors (see below), whose sum is σ = 39749760. Its totient is φ = 29148768.

The previous prime is 34393949. The next prime is 34393967. The reversal of 34393961 is 16939343.

34393961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 34393961 - 26 = 34393897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34393967) 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 7 ways as a sum of consecutive naturals, for example, 26981 + ... + 28226.

It is an arithmetic number, because the mean of its divisors is an integer number (4968720).

Almost surely, 234393961 is an apocalyptic number.

It is an amenable number.

34393961 is a deficient number, since it is larger than the sum of its proper divisors (5355799).

34393961 is an equidigital number, since it uses as much as digits as its factorization.

34393961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55303.

The product of its digits is 52488, while the sum is 38.

The square root of 34393961 is about 5864.6364763726. The cubic root of 34393961 is about 325.2076337895.

The spelling of 34393961 in words is "thirty-four million, three hundred ninety-three thousand, nine hundred sixty-one".

Divisors: 1 7 89 623 55207 386449 4913423 34393961