Search a number
-
+
63261742 = 231630871
BaseRepresentation
bin1111000101010…
…0110000101110
311102001000210111
43301110300232
5112143333432
610135530234
71365500365
oct361246056
9142030714
1063261742
1132789535
121922997a
131014c7ab
14858a7dc
155849347
hex3c54c2e

63261742 has 4 divisors (see below), whose sum is σ = 94892616. Its totient is φ = 31630870.

The previous prime is 63261739. The next prime is 63261763. The reversal of 63261742 is 24716236.

63261742 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 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 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 as a sum of consecutive naturals, namely, 15815434 + ... + 15815437.

It is an arithmetic number, because the mean of its divisors is an integer number (23723154).

Almost surely, 263261742 is an apocalyptic number.

63261742 is a deficient number, since it is larger than the sum of its proper divisors (31630874).

63261742 is a wasteful number, since it uses less digits than its factorization.

63261742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31630873.

The product of its digits is 12096, while the sum is 31.

The square root of 63261742 is about 7953.7250392505. The cubic root of 63261742 is about 398.4560104085.

Adding to 63261742 its reverse (24716236), we get a palindrome (87977978).

The spelling of 63261742 in words is "sixty-three million, two hundred sixty-one thousand, seven hundred forty-two".

Divisors: 1 2 31630871 63261742