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34487853 = 311495951
BaseRepresentation
bin1000001110001…
…1111000101101
32101220011102220
42003203320231
532312102403
63231105553
7566066451
oct203437055
971804386
1034487853
1118516264
12b6722b9
1371b691a
14481a661
153063953
hex20e3e2d

34487853 has 4 divisors (see below), whose sum is σ = 45983808. Its totient is φ = 22991900.

The previous prime is 34487851. The next prime is 34487857. The reversal of 34487853 is 35878443.

34487853 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: 35878443 = 311959481.

It is a cyclic number.

It is not a de Polignac number, because 34487853 - 21 = 34487851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34487851) 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, 5747973 + ... + 5747978.

It is an arithmetic number, because the mean of its divisors is an integer number (11495952).

Almost surely, 234487853 is an apocalyptic number.

It is an amenable number.

34487853 is a deficient number, since it is larger than the sum of its proper divisors (11495955).

34487853 is a wasteful number, since it uses less digits than its factorization.

34487853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11495954.

The product of its digits is 322560, while the sum is 42.

The square root of 34487853 is about 5872.6359498951. The cubic root of 34487853 is about 325.5032927857.

The spelling of 34487853 in words is "thirty-four million, four hundred eighty-seven thousand, eight hundred fifty-three".

Divisors: 1 3 11495951 34487853