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63413431 = 1919317293
BaseRepresentation
bin1111000111100…
…1110010110111
311102022201212121
43301321302313
5112213212211
610143100411
71400001544
oct361716267
9142281777
1063413431
11328824a4
12192a1707
13101a3853
1485c9bcb
155879271
hex3c79cb7

63413431 has 8 divisors (see below), whose sum is σ = 67100720. Its totient is φ = 59761152.

The previous prime is 63413359. The next prime is 63413447. The reversal of 63413431 is 13431436.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 63413431 - 29 = 63412919 is a prime.

It is a super-2 number, since 2×634134312 = 8042526462383522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63413396 and 63413405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63413491) 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 7 ways as a sum of consecutive naturals, for example, 4980 + ... + 12313.

It is an arithmetic number, because the mean of its divisors is an integer number (8387590).

Almost surely, 263413431 is an apocalyptic number.

63413431 is a deficient number, since it is larger than the sum of its proper divisors (3687289).

63413431 is a wasteful number, since it uses less digits than its factorization.

63413431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17505.

The product of its digits is 2592, while the sum is 25.

The square root of 63413431 is about 7963.2550505431. The cubic root of 63413431 is about 398.7742287994.

Adding to 63413431 its reverse (13431436), we get a palindrome (76844867).

It can be divided in two parts, 63 and 413431, that multiplied together give a triangular number (26046153 = T7217).

The spelling of 63413431 in words is "sixty-three million, four hundred thirteen thousand, four hundred thirty-one".

Divisors: 1 19 193 3667 17293 328567 3337549 63413431