Search a number
-
+
48909569 = 234015303
BaseRepresentation
bin1011101010010…
…0110100000001
310102000212022112
42322210310001
5100010101234
64504145105
71132503332
oct272446401
9112025275
1048909569
1125676535
1214468195
13a195c97
1466d2289
154461ace
hex2ea4d01

48909569 has 8 divisors (see below), whose sum is σ = 51172992. Its totient is φ = 46657600.

The previous prime is 48909551. The next prime is 48909577. The reversal of 48909569 is 96590984.

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 48909569 - 28 = 48909313 is a prime.

It is a super-2 number, since 2×489095692 = 4784291879531522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48909529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6572 + ... + 11874.

It is an arithmetic number, because the mean of its divisors is an integer number (6396624).

Almost surely, 248909569 is an apocalyptic number.

It is an amenable number.

48909569 is a deficient number, since it is larger than the sum of its proper divisors (2263423).

48909569 is a wasteful number, since it uses less digits than its factorization.

48909569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5727.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 48909569 is about 6993.5376598686. The cubic root of 48909569 is about 365.7053203528.

The spelling of 48909569 in words is "forty-eight million, nine hundred nine thousand, five hundred sixty-nine".

Divisors: 1 23 401 5303 9223 121969 2126503 48909569