Search a number
-
+
64422527 = 136181239
BaseRepresentation
bin1111010111000…
…0001001111111
311111020000002112
43311300021333
5112443010102
610220444235
71411403531
oct365601177
9144200075
1064422527
1133401664
12196a967b
1310467c50
1487ad851
1559c8252
hex3d7027f

64422527 has 8 divisors (see below), whose sum is σ = 70516320. Its totient is φ = 58491360.

The previous prime is 64422511. The next prime is 64422529. The reversal of 64422527 is 72522446.

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 64422527 - 24 = 64422511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64422493 and 64422502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64422529) 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, 39827 + ... + 41412.

It is an arithmetic number, because the mean of its divisors is an integer number (8814540).

Almost surely, 264422527 is an apocalyptic number.

64422527 is a deficient number, since it is larger than the sum of its proper divisors (6093793).

64422527 is a wasteful number, since it uses less digits than its factorization.

64422527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81313.

The product of its digits is 26880, while the sum is 32.

The square root of 64422527 is about 8026.3644945891. The cubic root of 64422527 is about 400.8783344929.

The spelling of 64422527 in words is "sixty-four million, four hundred twenty-two thousand, five hundred twenty-seven".

Divisors: 1 13 61 793 81239 1056107 4955579 64422527