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34809869 = 311122899
BaseRepresentation
bin1000010011001…
…0100000001101
32102111112011102
42010302200031
532402403434
63242032445
7601610333
oct204624015
972445142
1034809869
1118716196
12b7a8725
13729a373
1448a1b53
1530c907e
hex213280d

34809869 has 4 divisors (see below), whose sum is σ = 35932800. Its totient is φ = 33686940.

The previous prime is 34809839. The next prime is 34809871. The reversal of 34809869 is 96890843.

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 34809869 - 28 = 34809613 is a prime.

It is a super-2 number, since 2×348098692 = 2423453959594322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34809839) 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, 561419 + ... + 561480.

It is an arithmetic number, because the mean of its divisors is an integer number (8983200).

Almost surely, 234809869 is an apocalyptic number.

It is an amenable number.

34809869 is a deficient number, since it is larger than the sum of its proper divisors (1122931).

34809869 is a wasteful number, since it uses less digits than its factorization.

34809869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122930.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 34809869 is about 5899.9888982946. The cubic root of 34809869 is about 326.5132398809.

The spelling of 34809869 in words is "thirty-four million, eight hundred nine thousand, eight hundred sixty-nine".

Divisors: 1 31 1122899 34809869