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2448285157 = 19469125753
BaseRepresentation
bin1001000111101101…
…1101110111100101
320022121212202212001
42101323131313211
520003230111112
61042535125301
7114446036413
oct22173356745
96277782761
102448285157
111046aa196a
12583b13831
133002c3656
1419322c2b3
15e4e12c57
hex91eddde5

2448285157 has 4 divisors (see below), whose sum is σ = 2448430380. Its totient is φ = 2448139936.

The previous prime is 2448285137. The next prime is 2448285167. The reversal of 2448285157 is 7515828442.

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 1708499556 + 739785601 = 41334^2 + 27199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2448285157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2448285137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43408 + ... + 82345.

It is an arithmetic number, because the mean of its divisors is an integer number (612107595).

Almost surely, 22448285157 is an apocalyptic number.

It is an amenable number.

2448285157 is a deficient number, since it is larger than the sum of its proper divisors (145223).

2448285157 is a wasteful number, since it uses less digits than its factorization.

2448285157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145222.

The product of its digits is 716800, while the sum is 46.

The square root of 2448285157 is about 49480.1491206322. The cubic root of 2448285157 is about 1347.7851486641.

It can be divided in two parts, 2448285 and 157, that added together give a palindrome (2448442).

The spelling of 2448285157 in words is "two billion, four hundred forty-eight million, two hundred eighty-five thousand, one hundred fifty-seven".

Divisors: 1 19469 125753 2448285157