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63968201 = 115815291
BaseRepresentation
bin1111010000000…
…1001111001001
311110100220212122
43310001033021
5112333440301
610203021025
71404502133
oct364011711
9143326778
1063968201
1133121290
121950a775
131033920b
1486d2053
15593881b
hex3d013c9

63968201 has 4 divisors (see below), whose sum is σ = 69783504. Its totient is φ = 58152900.

The previous prime is 63968197. The next prime is 63968251. The reversal of 63968201 is 10286936.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63968201 - 22 = 63968197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63968251) 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, 2907635 + ... + 2907656.

It is an arithmetic number, because the mean of its divisors is an integer number (17445876).

Almost surely, 263968201 is an apocalyptic number.

It is an amenable number.

63968201 is a deficient number, since it is larger than the sum of its proper divisors (5815303).

63968201 is a wasteful number, since it uses less digits than its factorization.

63968201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5815302.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 63968201 is about 7998.0123155694. The cubic root of 63968201 is about 399.9337411083.

The spelling of 63968201 in words is "sixty-three million, nine hundred sixty-eight thousand, two hundred one".

Divisors: 1 11 5815291 63968201