Search a number
-
+
48804881 = 316592389
BaseRepresentation
bin1011101000101…
…1010000010001
310101211112201012
42322023100101
544443224011
64502020305
71131556166
oct272132021
9111745635
1048804881
1125604914
1214417695
13a15a438
1466a606d
154440a8b
hex2e8b411

48804881 has 8 divisors (see below), whose sum is σ = 50476800. Its totient is φ = 47139120.

The previous prime is 48804869. The next prime is 48804929. The reversal of 48804881 is 18840884.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48804881 is a prime.

It is a super-2 number, since 2×488048812 = 4763832818848322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48804851) 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, 19235 + ... + 21623.

It is an arithmetic number, because the mean of its divisors is an integer number (6309600).

Almost surely, 248804881 is an apocalyptic number.

It is an amenable number.

48804881 is a deficient number, since it is larger than the sum of its proper divisors (1671919).

48804881 is a wasteful number, since it uses less digits than its factorization.

48804881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079.

The product of its (nonzero) digits is 65536, while the sum is 41.

The square root of 48804881 is about 6986.0490264526. The cubic root of 48804881 is about 365.4442105302. Note that the first 3 decimals are identical.

The spelling of 48804881 in words is "forty-eight million, eight hundred four thousand, eight hundred eighty-one".

Divisors: 1 31 659 2389 20429 74059 1574351 48804881