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48782401 = 172869553
BaseRepresentation
bin1011101000010…
…1110001000001
310101210101212121
42322011301001
544442014101
64501324241
71131433513
oct272056101
9111711777
1048782401
1125599a38
1214406681
13a150135
14669bbb3
1544390a1
hex2e85c41

48782401 has 4 divisors (see below), whose sum is σ = 51651972. Its totient is φ = 45912832.

The previous prime is 48782389. The next prime is 48782407. The reversal of 48782401 is 10428784.

48782401 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

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 39388176 + 9394225 = 6276^2 + 3065^2 .

It is a cyclic number.

It is not a de Polignac number, because 48782401 - 27 = 48782273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48782407) 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 3 ways as a sum of consecutive naturals, for example, 1434760 + ... + 1434793.

It is an arithmetic number, because the mean of its divisors is an integer number (12912993).

Almost surely, 248782401 is an apocalyptic number.

It is an amenable number.

48782401 is a deficient number, since it is larger than the sum of its proper divisors (2869571).

48782401 is a wasteful number, since it uses less digits than its factorization.

48782401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869570.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 48782401 is about 6984.4399202799. The cubic root of 48782401 is about 365.3880928678.

The spelling of 48782401 in words is "forty-eight million, seven hundred eighty-two thousand, four hundred one".

Divisors: 1 17 2869553 48782401