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34523031 = 311507677
BaseRepresentation
bin1000001110110…
…0011110010111
32101221221200210
42003230132113
532314214111
63231540503
7566304144
oct203543627
971857623
1034523031
111853a734
12b68a733
1371c993a
1448293cb
15306e0a6
hex20ec797

34523031 has 4 divisors (see below), whose sum is σ = 46030712. Its totient is φ = 23015352.

The previous prime is 34523029. The next prime is 34523077. The reversal of 34523031 is 13032543.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 34523031 - 21 = 34523029 is a prime.

It is a super-2 number, since 2×345230312 = 2383679338853922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34522989 and 34523007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34523081) 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, 5753836 + ... + 5753841.

It is an arithmetic number, because the mean of its divisors is an integer number (11507678).

Almost surely, 234523031 is an apocalyptic number.

34523031 is a deficient number, since it is larger than the sum of its proper divisors (11507681).

34523031 is a wasteful number, since it uses less digits than its factorization.

34523031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11507680.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 34523031 is about 5875.6302640653. The cubic root of 34523031 is about 325.6139275243.

Adding to 34523031 its reverse (13032543), we get a palindrome (47555574).

The spelling of 34523031 in words is "thirty-four million, five hundred twenty-three thousand, thirty-one".

Divisors: 1 3 11507677 34523031