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34474749 = 311491583
BaseRepresentation
bin1000001110000…
…0101011111101
32101212111110120
42003200223331
532311142444
63230525153
7566013321
oct203405375
971774416
1034474749
1118507431
12b6667b9
1371b097a
144815981
15305eb19
hex20e0afd

34474749 has 4 divisors (see below), whose sum is σ = 45966336. Its totient is φ = 22983164.

The previous prime is 34474733. The next prime is 34474757. The reversal of 34474749 is 94747443.

34474749 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.

It is a cyclic number.

It is not a de Polignac number, because 34474749 - 24 = 34474733 is a prime.

It is a super-2 number, since 2×344747492 = 2377016637226002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34474749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34474729) 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, 5745789 + ... + 5745794.

It is an arithmetic number, because the mean of its divisors is an integer number (11491584).

Almost surely, 234474749 is an apocalyptic number.

It is an amenable number.

34474749 is a deficient number, since it is larger than the sum of its proper divisors (11491587).

34474749 is a wasteful number, since it uses less digits than its factorization.

34474749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11491586.

The product of its digits is 338688, while the sum is 42.

The square root of 34474749 is about 5871.5201609123. The cubic root of 34474749 is about 325.4620615007.

The spelling of 34474749 in words is "thirty-four million, four hundred seventy-four thousand, seven hundred forty-nine".

Divisors: 1 3 11491583 34474749