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61483405 = 512296681
BaseRepresentation
bin1110101010001…
…0100110001101
311021200200101011
43222202212031
5111214432110
610033445221
71344412624
oct352424615
9137620334
1061483405
1131784435
1218710811
13c979219
1482466bb
1555e748a
hex3aa298d

61483405 has 4 divisors (see below), whose sum is σ = 73780092. Its totient is φ = 49186720.

The previous prime is 61483399. The next prime is 61483423. The reversal of 61483405 is 50438416.

It is a happy number.

61483405 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 can be written as a sum of positive squares in 2 ways, for example, as 6456681 + 55026724 = 2541^2 + 7418^2 .

It is not a de Polignac number, because 61483405 - 23 = 61483397 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6148336 + ... + 6148345.

It is an arithmetic number, because the mean of its divisors is an integer number (18445023).

Almost surely, 261483405 is an apocalyptic number.

It is an amenable number.

61483405 is a deficient number, since it is larger than the sum of its proper divisors (12296687).

61483405 is a wasteful number, since it uses less digits than its factorization.

61483405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12296686.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 61483405 is about 7841.1354407382. The cubic root of 61483405 is about 394.6868318382.

The spelling of 61483405 in words is "sixty-one million, four hundred eighty-three thousand, four hundred five".

Divisors: 1 5 12296681 61483405