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61034345 = 512206869
BaseRepresentation
bin1110100011010…
…0111101101001
311020211212101022
43220310331221
5111111044340
610020102225
71340532461
oct350647551
9136755338
1061034345
11314a8009
1218534975
13c84c9c8
14816aba1
1555593b5
hex3a34f69

61034345 has 4 divisors (see below), whose sum is σ = 73241220. Its totient is φ = 48827472.

The previous prime is 61034333. The next prime is 61034377. The reversal of 61034345 is 54343016.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37112464 + 23921881 = 6092^2 + 4891^2 .

It is a cyclic number.

It is not a de Polignac number, because 61034345 - 210 = 61033321 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6103430 + ... + 6103439.

It is an arithmetic number, because the mean of its divisors is an integer number (18310305).

Almost surely, 261034345 is an apocalyptic number.

It is an amenable number.

61034345 is a deficient number, since it is larger than the sum of its proper divisors (12206875).

61034345 is a wasteful number, since it uses less digits than its factorization.

61034345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12206874.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 61034345 is about 7812.4480798275. The cubic root of 61034345 is about 393.7235836817.

The spelling of 61034345 in words is "sixty-one million, thirty-four thousand, three hundred forty-five".

Divisors: 1 5 12206869 61034345