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34220031 = 317673997
BaseRepresentation
bin1000001010001…
…0011111111111
32101101120001120
42002202133333
532230020111
63221242023
7563602566
oct202423777
971346046
1034220031
111835301a
12b563313
137121a51
14478abdd
15300e406
hex20a27ff

34220031 has 16 divisors (see below), whose sum is σ = 48430944. Its totient is φ = 21417984.

The previous prime is 34220027. The next prime is 34220047. The reversal of 34220031 is 13002243.

It is not a de Polignac number, because 34220031 - 22 = 34220027 is a prime.

It is a super-2 number, since 2×342200312 = 2342021043281922, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34220051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33825 + ... + 34821.

It is an arithmetic number, because the mean of its divisors is an integer number (3026934).

Almost surely, 234220031 is an apocalyptic number.

34220031 is a deficient number, since it is larger than the sum of its proper divisors (14210913).

34220031 is a wasteful number, since it uses less digits than its factorization.

34220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 34220031 is about 5849.7889705527. The cubic root of 34220031 is about 324.6585162729.

Adding to 34220031 its reverse (13002243), we get a palindrome (47222274).

The spelling of 34220031 in words is "thirty-four million, two hundred twenty thousand, thirty-one".

Divisors: 1 3 17 51 673 997 2019 2991 11441 16949 34323 50847 670981 2012943 11406677 34220031