Search a number
-
+
63422081 = 431147151
BaseRepresentation
bin1111000111101…
…1111010000001
311102100011201222
43301323322001
5112214001311
610143204425
71400036012
oct361737201
9142304658
1063422081
1132888a48
12192a6715
13101a7778
1485cd009
15587badb
hex3c7be81

63422081 has 4 divisors (see below), whose sum is σ = 63569664. Its totient is φ = 63274500.

The previous prime is 63422077. The next prime is 63422083. The reversal of 63422081 is 18022436.

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 63422081 - 22 = 63422077 is a prime.

It is a super-2 number, since 2×634220812 = 8044720716741122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63422081.

It is not an unprimeable number, because it can be changed into a prime (63422083) 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, 73145 + ... + 74006.

It is an arithmetic number, because the mean of its divisors is an integer number (15892416).

Almost surely, 263422081 is an apocalyptic number.

It is an amenable number.

63422081 is a deficient number, since it is larger than the sum of its proper divisors (147583).

63422081 is a wasteful number, since it uses less digits than its factorization.

63422081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147582.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 63422081 is about 7963.7981516359. The cubic root of 63422081 is about 398.7923597652.

The spelling of 63422081 in words is "sixty-three million, four hundred twenty-two thousand, eighty-one".

Divisors: 1 431 147151 63422081