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34931081 = 53659077
BaseRepresentation
bin1000010101000…
…0000110001001
32102201200102202
42011100012021
532420243311
63244405545
7602623613
oct205200611
972650382
1034931081
1118799269
12b8468b5
1373105a3
1448d3db3
1530eee3b
hex2150189

34931081 has 4 divisors (see below), whose sum is σ = 35590212. Its totient is φ = 34271952.

The previous prime is 34931069. The next prime is 34931119. The reversal of 34931081 is 18013943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18013943 = 35351031.

It can be written as a sum of positive squares in 2 ways, for example, as 13075456 + 21855625 = 3616^2 + 4675^2 .

It is a cyclic number.

It is not a de Polignac number, because 34931081 - 222 = 30736777 is a prime.

It is a super-2 number, since 2×349310812 = 2440360839657122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34931021) 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, 329486 + ... + 329591.

It is an arithmetic number, because the mean of its divisors is an integer number (8897553).

Almost surely, 234931081 is an apocalyptic number.

It is an amenable number.

34931081 is a deficient number, since it is larger than the sum of its proper divisors (659131).

34931081 is an equidigital number, since it uses as much as digits as its factorization.

34931081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659130.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 34931081 is about 5910.2521942807. The cubic root of 34931081 is about 326.8917864926.

The spelling of 34931081 in words is "thirty-four million, nine hundred thirty-one thousand, eighty-one".

Divisors: 1 53 659077 34931081