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63431342 = 2132439667
BaseRepresentation
bin1111000111111…
…0001010101110
311102100122102222
43301332022232
5112214300332
610143315342
71400105012
oct361761256
9142318388
1063431342
11328949a7
12192abb52
13101aba50
1485d2542
15587e712
hex3c7e2ae

63431342 has 8 divisors (see below), whose sum is σ = 102466056. Its totient is φ = 29275992.

The previous prime is 63431327. The next prime is 63431353. The reversal of 63431342 is 24313436.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 2439667 = 63431342 / (6 + 3 + 4 + 3 + 1 + 3 + 4 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219808 + ... + 1219859.

It is an arithmetic number, because the mean of its divisors is an integer number (12808257).

Almost surely, 263431342 is an apocalyptic number.

63431342 is a deficient number, since it is larger than the sum of its proper divisors (39034714).

63431342 is a wasteful number, since it uses less digits than its factorization.

63431342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439682.

The product of its digits is 5184, while the sum is 26.

The square root of 63431342 is about 7964.3795740786. The cubic root of 63431342 is about 398.8117695997.

Adding to 63431342 its reverse (24313436), we get a palindrome (87744778).

The spelling of 63431342 in words is "sixty-three million, four hundred thirty-one thousand, three hundred forty-two".

Divisors: 1 2 13 26 2439667 4879334 31715671 63431342