Search a number
-
+
48965381 = 101348337
BaseRepresentation
bin1011101011001…
…0011100000101
310102010200212122
42322302130011
5100013343011
64505255325
71133125133
oct272623405
9112120778
1048965381
1125704463
1214494545
13a1b54ca
146708753
1544733db
hex2eb2705

48965381 has 4 divisors (see below), whose sum is σ = 49014732. Its totient is φ = 48916032.

The previous prime is 48965377. The next prime is 48965419. The reversal of 48965381 is 18356984.

48965381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16532356 + 32433025 = 4066^2 + 5695^2 .

It is a cyclic number.

It is not a de Polignac number, because 48965381 - 22 = 48965377 is a prime.

It is a super-2 number, since 2×489653812 = 4795217072950322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48965881) by changing a digit.

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, 23156 + ... + 25181.

It is an arithmetic number, because the mean of its divisors is an integer number (12253683).

Almost surely, 248965381 is an apocalyptic number.

It is an amenable number.

48965381 is a deficient number, since it is larger than the sum of its proper divisors (49351).

48965381 is a wasteful number, since it uses less digits than its factorization.

48965381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49350.

The product of its digits is 207360, while the sum is 44.

The square root of 48965381 is about 6997.5267773693. The cubic root of 48965381 is about 365.8443728050.

The spelling of 48965381 in words is "forty-eight million, nine hundred sixty-five thousand, three hundred eighty-one".

Divisors: 1 1013 48337 48965381