Search a number
-
+
61084507 = 115553137
BaseRepresentation
bin1110100100000…
…1001101011011
311020221102012011
43221001031123
5111114201012
610021130351
71341131641
oct351011533
9136842164
1061084507
1131531770
12185599b7
13c8697a3
148181191
1555691a7
hex3a4135b

61084507 has 4 divisors (see below), whose sum is σ = 66637656. Its totient is φ = 55531360.

The previous prime is 61084501. The next prime is 61084511. The reversal of 61084507 is 70548016.

61084507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 61084507 - 211 = 61082459 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61084501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776558 + ... + 2776579.

It is an arithmetic number, because the mean of its divisors is an integer number (16659414).

Almost surely, 261084507 is an apocalyptic number.

61084507 is a deficient number, since it is larger than the sum of its proper divisors (5553149).

61084507 is a wasteful number, since it uses less digits than its factorization.

61084507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553148.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 61084507 is about 7815.6578098072. The cubic root of 61084507 is about 393.8314167074.

The spelling of 61084507 in words is "sixty-one million, eighty-four thousand, five hundred seven".

Divisors: 1 11 5553137 61084507