Search a number
-
+
745445027 = 7920894517
BaseRepresentation
bin101100011011101…
…001011010100011
31220221200112100002
4230123221122203
53011313220102
6201545250215
724321115055
oct5433513243
91827615302
10745445027
11352869978
1218979396b
13bb591442
14710078d5
154569c902
hex2c6e96a3

745445027 has 8 divisors (see below), whose sum is σ = 755409600. Its totient is φ = 735493824.

The previous prime is 745445023. The next prime is 745445039. The reversal of 745445027 is 720544547.

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

It is a cyclic number.

It is not a de Polignac number, because 745445027 - 22 = 745445023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745445023) 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, 162773 + ... + 167289.

It is an arithmetic number, because the mean of its divisors is an integer number (94426200).

Almost surely, 2745445027 is an apocalyptic number.

745445027 is a deficient number, since it is larger than the sum of its proper divisors (9964573).

745445027 is a wasteful number, since it uses less digits than its factorization.

745445027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6685.

The product of its (nonzero) digits is 156800, while the sum is 38.

The square root of 745445027 is about 27302.8391747086. The cubic root of 745445027 is about 906.7172412827.

The spelling of 745445027 in words is "seven hundred forty-five million, four hundred forty-five thousand, twenty-seven".

Divisors: 1 79 2089 4517 165031 356843 9436013 745445027