Search a number
-
+
48478590 = 2325538651
BaseRepresentation
bin1011100011101…
…1100101111110
310101012222010100
42320323211332
544402303330
64451021530
71126026666
oct270734576
9111188110
1048478590
1125401756
121429a8a6
13a074a74
14661d1a6
1543c9060
hex2e3b97e

48478590 has 24 divisors (see below), whose sum is σ = 126044568. Its totient is φ = 12927600.

The previous prime is 48478561. The next prime is 48478603. The reversal of 48478590 is 9587484.

48478590 is a `hidden beast` number, since 484 + 7 + 85 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269236 + ... + 269415.

It is an arithmetic number, because the mean of its divisors is an integer number (5251857).

Almost surely, 248478590 is an apocalyptic number.

48478590 is an abundant number, since it is smaller than the sum of its proper divisors (77565978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48478590 is a wasteful number, since it uses less digits than its factorization.

48478590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538664 (or 538661 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 48478590 is about 6962.6568204960. The cubic root of 48478590 is about 364.6279814998.

The spelling of 48478590 in words is "forty-eight million, four hundred seventy-eight thousand, five hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 538651 1077302 1615953 2693255 3231906 4847859 5386510 8079765 9695718 16159530 24239295 48478590