Search a number
-
+
745568 = 25231013
BaseRepresentation
bin10110110000001100000
31101212201122
42312001200
5142324233
623551412
76223445
oct2660140
91355648
10745568
1146a17a
122bb568
13201485
141559cc
15ead98
hexb6060

745568 has 24 divisors (see below), whose sum is σ = 1533168. Its totient is φ = 356224.

The previous prime is 745567. The next prime is 745573. The reversal of 745568 is 865547.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230 + ... + 1242.

It is an arithmetic number, because the mean of its divisors is an integer number (63882).

2745568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766584).

745568 is an abundant number, since it is smaller than the sum of its proper divisors (787600).

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

745568 is a wasteful number, since it uses less digits than its factorization.

745568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1038 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 745568 is about 863.4627959559. The cubic root of 745568 is about 90.6767097679.

The spelling of 745568 in words is "seven hundred forty-five thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 736 1013 2026 4052 8104 16208 23299 32416 46598 93196 186392 372784 745568