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34065031 = 7111334031
BaseRepresentation
bin1000000111110…
…0101010000111
32101002200102211
42001330222013
532210040111
63214044251
7562355650
oct201745207
971080384
1034065031
1118257620
12b4a9687
137099330
14474a527
152ecd521
hex207ca87

34065031 has 16 divisors (see below), whose sum is σ = 45739008. Its totient is φ = 24501600.

The previous prime is 34065029. The next prime is 34065067. The reversal of 34065031 is 13056043.

It is a cyclic number.

It is not a de Polignac number, because 34065031 - 21 = 34065029 is a prime.

It is a super-2 number, since 2×340650312 = 2320852674061922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34064993 and 34065011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34065071) 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, 16015 + ... + 18016.

It is an arithmetic number, because the mean of its divisors is an integer number (2858688).

Almost surely, 234065031 is an apocalyptic number.

34065031 is a deficient number, since it is larger than the sum of its proper divisors (11673977).

34065031 is a wasteful number, since it uses less digits than its factorization.

34065031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34062.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 34065031 is about 5836.5255931933. The cubic root of 34065031 is about 324.1675928922.

The spelling of 34065031 in words is "thirty-four million, sixty-five thousand, thirty-one".

Divisors: 1 7 11 13 77 91 143 1001 34031 238217 374341 442403 2620387 3096821 4866433 34065031