Search a number
-
+
745774848 = 28327133557
BaseRepresentation
bin101100011100111…
…001111100000000
31220222022021202200
4230130321330000
53011404243343
6202000313200
724323660460
oct5434717400
91828267680
10745774848
11352a74755
12189912800
13bb6785c0
1471091ba0
15457154d3
hex2c739f00

745774848 has 216 divisors, whose sum is σ = 2647208928. Its totient is φ = 196632576.

The previous prime is 745774847. The next prime is 745774859. The reversal of 745774848 is 848477547.

It is a junction number, because it is equal to n+sod(n) for n = 745774794 and 745774803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745774847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207886 + ... + 211442.

Almost surely, 2745774848 is an apocalyptic number.

745774848 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745774848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1323604464).

745774848 is an abundant number, since it is smaller than the sum of its proper divisors (1901434080).

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

745774848 is a wasteful number, since it uses less digits than its factorization.

745774848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599 (or 3582 counting only the distinct ones).

The product of its digits is 7024640, while the sum is 54.

The square root of 745774848 is about 27308.8785562498. The cubic root of 745774848 is about 906.8509467793.

The spelling of 745774848 in words is "seven hundred forty-five million, seven hundred seventy-four thousand, eight hundred forty-eight".