Search a number
-
+
128466514 = 2115839387
BaseRepresentation
bin1111010100000…
…11111001010010
322221201202221001
413222003321102
5230341412024
620425252214
73116642641
oct752037122
9287652831
10128466514
1166574880
123703406a
13207cc7b7
14130c1358
15b429244
hex7a83e52

128466514 has 8 divisors (see below), whose sum is σ = 210217968. Its totient is φ = 58393860.

The previous prime is 128466497. The next prime is 128466517. The reversal of 128466514 is 415664821.

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

It is not an unprimeable number, because it can be changed into a prime (128466517) 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, 2919672 + ... + 2919715.

It is an arithmetic number, because the mean of its divisors is an integer number (26277246).

Almost surely, 2128466514 is an apocalyptic number.

128466514 is a deficient number, since it is larger than the sum of its proper divisors (81751454).

128466514 is a wasteful number, since it uses less digits than its factorization.

128466514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5839400.

The product of its digits is 46080, while the sum is 37.

The square root of 128466514 is about 11334.3069483758. The cubic root of 128466514 is about 504.5799388953.

The spelling of 128466514 in words is "one hundred twenty-eight million, four hundred sixty-six thousand, five hundred fourteen".

Divisors: 1 2 11 22 5839387 11678774 64233257 128466514