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63381422 = 21322331263
BaseRepresentation
bin1111000111000…
…1111110101110
311102021002222002
43301301332232
5112211201142
610142252302
71366506326
oct361617656
9142232862
1063381422
1132860445
1219287092
1310192100
1485bc286
15586ea32
hex3c71fae

63381422 has 48 divisors (see below), whose sum is σ = 111310848. Its totient is φ = 26975520.

The previous prime is 63381421. The next prime is 63381431. The reversal of 63381422 is 22418336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63381421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240863 + ... + 241125.

It is an arithmetic number, because the mean of its divisors is an integer number (2318976).

Almost surely, 263381422 is an apocalyptic number.

63381422 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

63381422 is a deficient number, since it is larger than the sum of its proper divisors (47929426).

63381422 is a wasteful number, since it uses less digits than its factorization.

63381422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 332 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 63381422 is about 7961.2450031386. The cubic root of 63381422 is about 398.7071214986.

Adding to 63381422 its reverse (22418336), we get a palindrome (85799758).

The spelling of 63381422 in words is "sixty-three million, three hundred eighty-one thousand, four hundred twenty-two".

Divisors: 1 2 13 23 26 31 46 62 169 263 299 338 403 526 598 713 806 1426 3419 3887 5239 6049 6838 7774 8153 9269 10478 12098 16306 18538 44447 78637 88894 105989 120497 157274 187519 211978 240994 375038 1022281 1377857 2044562 2437747 2755714 4875494 31690711 63381422