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34540645 = 58777877
BaseRepresentation
bin1000001111000…
…0110001100101
32101222211212011
42003300301211
532320300040
63232154221
7566406406
oct203606145
971884764
1034540645
1118551997
12b698971
137204969
1448319ad
1530743ea
hex20f0c65

34540645 has 8 divisors (see below), whose sum is σ = 41501304. Its totient is φ = 27597504.

The previous prime is 34540609. The next prime is 34540657. The reversal of 34540645 is 54604543.

It can be written as a sum of positive squares in 4 ways, for example, as 3381921 + 31158724 = 1839^2 + 5582^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34540645 - 29 = 34540133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447 + ... + 8323.

It is an arithmetic number, because the mean of its divisors is an integer number (5187663).

Almost surely, 234540645 is an apocalyptic number.

It is an amenable number.

34540645 is a deficient number, since it is larger than the sum of its proper divisors (6960659).

34540645 is an equidigital number, since it uses as much as digits as its factorization.

34540645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8759.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 34540645 is about 5877.1289759542. The cubic root of 34540645 is about 325.6692952834.

The spelling of 34540645 in words is "thirty-four million, five hundred forty thousand, six hundred forty-five".

Divisors: 1 5 877 4385 7877 39385 6908129 34540645