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63274081 = 1323211619
BaseRepresentation
bin1111000101011…
…1110001100001
311102001122201111
43301113301201
5112144232311
610140103321
71365551353
oct361276141
9142048644
1063274081
1132797832
1219234b41
13101552b0
1485910d3
15584cd21
hex3c57c61

63274081 has 8 divisors (see below), whose sum is σ = 71104320. Its totient is φ = 55867152.

The previous prime is 63274039. The next prime is 63274091. The reversal of 63274081 is 18047236.

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 63274081 - 27 = 63273953 is a prime.

It is a super-2 number, since 2×632740812 = 8007218652789122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63274021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105511 + ... + 106108.

It is an arithmetic number, because the mean of its divisors is an integer number (8888040).

Almost surely, 263274081 is an apocalyptic number.

It is an amenable number.

63274081 is a deficient number, since it is larger than the sum of its proper divisors (7830239).

63274081 is a wasteful number, since it uses less digits than its factorization.

63274081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211655.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 63274081 is about 7954.5006757181. The cubic root of 63274081 is about 398.4819145803.

The spelling of 63274081 in words is "sixty-three million, two hundred seventy-four thousand, eighty-one".

Divisors: 1 13 23 299 211619 2751047 4867237 63274081