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63381027 = 321127009
BaseRepresentation
bin1111000111000…
…1111000100011
311102021002102110
43301301320203
5112211143102
610142250403
71366505223
oct361617043
9142232373
1063381027
1132860116
1219286a03
1310191b88
1485bc083
15586e86c
hex3c71e23

63381027 has 4 divisors (see below), whose sum is σ = 84508040. Its totient is φ = 42254016.

The previous prime is 63381023. The next prime is 63381029. The reversal of 63381027 is 72018336.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 63381027 - 22 = 63381023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63380985 and 63381003.

It is not an unprimeable number, because it can be changed into a prime (63381023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10563502 + ... + 10563507.

It is an arithmetic number, because the mean of its divisors is an integer number (21127010).

Almost surely, 263381027 is an apocalyptic number.

63381027 is a deficient number, since it is larger than the sum of its proper divisors (21127013).

63381027 is a wasteful number, since it uses less digits than its factorization.

63381027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21127012.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 63381027 is about 7961.2201954223. The cubic root of 63381027 is about 398.7062932346.

The spelling of 63381027 in words is "sixty-three million, three hundred eighty-one thousand, twenty-seven".

Divisors: 1 3 21127009 63381027