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34823893 = 1313719553
BaseRepresentation
bin1000010011010…
…1111011010101
32102112020101211
42010311323111
532403331033
63242221421
7601666246
oct204657325
972466354
1034823893
1118725785
12b7b4871
1372a3870
1448a6ccd
1530cd2cd
hex2135ed5

34823893 has 8 divisors (see below), whose sum is σ = 37778328. Its totient is φ = 31908864.

The previous prime is 34823849. The next prime is 34823923. The reversal of 34823893 is 39832843.

It can be written as a sum of positive squares in 4 ways, for example, as 6115729 + 28708164 = 2473^2 + 5358^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34823893 - 213 = 34815701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34823813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7996 + ... + 11557.

It is an arithmetic number, because the mean of its divisors is an integer number (4722291).

Almost surely, 234823893 is an apocalyptic number.

It is an amenable number.

34823893 is a deficient number, since it is larger than the sum of its proper divisors (2954435).

34823893 is a wasteful number, since it uses less digits than its factorization.

34823893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19703.

The product of its digits is 124416, while the sum is 40.

The square root of 34823893 is about 5901.1772554296. The cubic root of 34823893 is about 326.5570819198.

The spelling of 34823893 in words is "thirty-four million, eight hundred twenty-three thousand, eight hundred ninety-three".

Divisors: 1 13 137 1781 19553 254189 2678761 34823893