Search a number
-
+
61965382 = 230982691
BaseRepresentation
bin1110110001100…
…0010001000110
311022121011112011
43230120101012
5111330343012
610052044434
71351461043
oct354302106
9138534464
1061965382
1131a83566
121890371a
13cab770b
1483301ca
1556901a7
hex3b18446

61965382 has 4 divisors (see below), whose sum is σ = 92948076. Its totient is φ = 30982690.

The previous prime is 61965367. The next prime is 61965389. The reversal of 61965382 is 28356916.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61965389) by changing a digit.

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 as a sum of consecutive naturals, namely, 15491344 + ... + 15491347.

It is an arithmetic number, because the mean of its divisors is an integer number (23237019).

Almost surely, 261965382 is an apocalyptic number.

61965382 is a deficient number, since it is larger than the sum of its proper divisors (30982694).

61965382 is a wasteful number, since it uses less digits than its factorization.

61965382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30982693.

The product of its digits is 77760, while the sum is 40.

The square root of 61965382 is about 7871.8093218777. The cubic root of 61965382 is about 395.7154836559.

The spelling of 61965382 in words is "sixty-one million, nine hundred sixty-five thousand, three hundred eighty-two".

Divisors: 1 2 30982691 61965382