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63243193 = 13311391129
BaseRepresentation
bin1111000101000…
…0001110111001
311102000002100111
43301100032321
5112142240233
610135304321
71365362326
oct361201671
9142002314
1063243193
1132776602
121921b0a1
1310144210
148583b4d
155843acd
hex3c503b9

63243193 has 16 divisors (see below), whose sum is σ = 70873600. Its totient is φ = 56039040.

The previous prime is 63243181. The next prime is 63243223. The reversal of 63243193 is 39134236.

63243193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-63243193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63243163) 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 15 ways as a sum of consecutive naturals, for example, 55453 + ... + 56581.

It is an arithmetic number, because the mean of its divisors is an integer number (4429600).

Almost surely, 263243193 is an apocalyptic number.

It is an amenable number.

63243193 is a deficient number, since it is larger than the sum of its proper divisors (7630407).

63243193 is a wasteful number, since it uses less digits than its factorization.

63243193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312.

The product of its digits is 11664, while the sum is 31.

The square root of 63243193 is about 7952.5588963553. The cubic root of 63243193 is about 398.4170627877.

It can be divided in two parts, 63243 and 193, that added together give a palindrome (63436).

The spelling of 63243193 in words is "sixty-three million, two hundred forty-three thousand, one hundred ninety-three".

Divisors: 1 13 31 139 403 1129 1807 4309 14677 34999 56017 156931 454987 2040103 4864861 63243193