Search a number
-
+
1448745897 = 32047923581
BaseRepresentation
bin101011001011010…
…0001101110101001
310201222001220202110
41112112201232221
510431334332042
6355431352533
750621064654
oct12626415651
93658056673
101448745897
11683863265
12345222749
131a11b80c1
14da5a089b
15872c309c
hex565a1ba9

1448745897 has 8 divisors (see below), whose sum is σ = 1931837440. Its totient is φ = 965742480.

The previous prime is 1448745889. The next prime is 1448745911. The reversal of 1448745897 is 7985478441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1448745897 - 23 = 1448745889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1448745997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49647 + ... + 73227.

It is an arithmetic number, because the mean of its divisors is an integer number (241479680).

Almost surely, 21448745897 is an apocalyptic number.

It is an amenable number.

1448745897 is a deficient number, since it is larger than the sum of its proper divisors (483091543).

1448745897 is a wasteful number, since it uses less digits than its factorization.

1448745897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44063.

The product of its digits is 9031680, while the sum is 57.

The square root of 1448745897 is about 38062.3947880319. The cubic root of 1448745897 is about 1131.5247896627.

The spelling of 1448745897 in words is "one billion, four hundred forty-eight million, seven hundred forty-five thousand, eight hundred ninety-seven".

Divisors: 1 3 20479 23581 61437 70743 482915299 1448745897