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34478853 = 311492951
BaseRepresentation
bin1000001110000…
…1101100000101
32101212201002120
42003201230011
532311310403
63231000153
7566031303
oct203415405
971781076
1034478853
111850a522
12b669059
1371b27b6
144817273
153060e53
hex20e1b05

34478853 has 4 divisors (see below), whose sum is σ = 45971808. Its totient is φ = 22985900.

The previous prime is 34478831. The next prime is 34478861. The reversal of 34478853 is 35887443.

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: 35887443 = 311962481.

It is a cyclic number.

It is not a de Polignac number, because 34478853 - 210 = 34477829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34478813) 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, 5746473 + ... + 5746478.

It is an arithmetic number, because the mean of its divisors is an integer number (11492952).

Almost surely, 234478853 is an apocalyptic number.

It is an amenable number.

34478853 is a deficient number, since it is larger than the sum of its proper divisors (11492955).

34478853 is a wasteful number, since it uses less digits than its factorization.

34478853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11492954.

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

The square root of 34478853 is about 5871.8696341114. The cubic root of 34478853 is about 325.4749757190.

It can be divided in two parts, 344 and 78853, that added together give a palindrome (79197).

The spelling of 34478853 in words is "thirty-four million, four hundred seventy-eight thousand, eight hundred fifty-three".

Divisors: 1 3 11492951 34478853