Search a number
-
+
248705484 = 22320725457
BaseRepresentation
bin11101101001011…
…11000111001100
3122022222112210020
432310233013030
51002132033414
640402342140
76106650606
oct1664570714
9568875706
10248705484
1111842a125
126b35a950
133c6ab411
1425060176
1516c7a7a9
hexed2f1cc

248705484 has 12 divisors (see below), whose sum is σ = 580312824. Its totient is φ = 82901824.

The previous prime is 248705477. The next prime is 248705519. The reversal of 248705484 is 484507842.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10362717 + ... + 10362740.

It is an arithmetic number, because the mean of its divisors is an integer number (48359402).

Almost surely, 2248705484 is an apocalyptic number.

It is an amenable number.

248705484 is an abundant number, since it is smaller than the sum of its proper divisors (331607340).

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

248705484 is a wasteful number, since it uses less digits than its factorization.

248705484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20725464 (or 20725462 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 42.

The square root of 248705484 is about 15770.3989803683. The cubic root of 248705484 is about 628.8713174780.

The spelling of 248705484 in words is "two hundred forty-eight million, seven hundred five thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 20725457 41450914 62176371 82901828 124352742 248705484