Search a number
-
+
64000474 = 2191684223
BaseRepresentation
bin1111010000100…
…1000111011010
311110102120010221
43310021013122
5112341003344
610203430254
71404665206
oct364110732
9143376127
1064000474
113314355a
121952538a
131034ab05
1486ddb06
155943184
hex3d091da

64000474 has 8 divisors (see below), whose sum is σ = 101053440. Its totient is φ = 30315996.

The previous prime is 64000457. The next prime is 64000481. The reversal of 64000474 is 47400046.

It is a happy number.

64000474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842074 + ... + 842149.

It is an arithmetic number, because the mean of its divisors is an integer number (12631680).

Almost surely, 264000474 is an apocalyptic number.

64000474 is a deficient number, since it is larger than the sum of its proper divisors (37052966).

64000474 is a wasteful number, since it uses less digits than its factorization.

64000474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684244.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 64000474 is about 8000.0296249451. The cubic root of 64000474 is about 400.0009874976. Note that the first 3 decimals are identical.

The spelling of 64000474 in words is "sixty-four million, four hundred seventy-four", and thus it is an aban number.

Divisors: 1 2 19 38 1684223 3368446 32000237 64000474