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34536821 = 1131101281
BaseRepresentation
bin1000001110111…
…1110101110101
32101222122121112
42003233311311
532320134241
63232124405
7566362304
oct203576565
971878545
1034536821
111854a030
12b696705
137202cb7
14483043b
1530731eb
hex20efd75

34536821 has 8 divisors (see below), whose sum is σ = 38892288. Its totient is φ = 30384000.

The previous prime is 34536793. The next prime is 34536829. The reversal of 34536821 is 12863543.

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 34536821 - 26 = 34536757 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 (34536829) 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, 50300 + ... + 50981.

It is an arithmetic number, because the mean of its divisors is an integer number (4861536).

Almost surely, 234536821 is an apocalyptic number.

34536821 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

34536821 is a deficient number, since it is larger than the sum of its proper divisors (4355467).

34536821 is a wasteful number, since it uses less digits than its factorization.

34536821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101323.

The product of its digits is 17280, while the sum is 32.

The square root of 34536821 is about 5876.8036380332. The cubic root of 34536821 is about 325.6572765409.

The spelling of 34536821 in words is "thirty-four million, five hundred thirty-six thousand, eight hundred twenty-one".

Divisors: 1 11 31 341 101281 1114091 3139711 34536821