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745223061 = 31122582517
BaseRepresentation
bin101100011010110…
…011001110010101
31220221021020212010
4230122303032111
53011234114221
6201540414433
724316201662
oct5432631625
91827236763
10745223061
11352728130
121896a7419
13bb5143bb
1470d8aa69
1545656c76
hex2c6b3395

745223061 has 8 divisors (see below), whose sum is σ = 1083960864. Its totient is φ = 451650320.

The previous prime is 745222993. The next prime is 745223071. The reversal of 745223061 is 160322547.

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

It is not a de Polignac number, because 745223061 - 29 = 745222549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745223071) 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, 11291226 + ... + 11291291.

It is an arithmetic number, because the mean of its divisors is an integer number (135495108).

Almost surely, 2745223061 is an apocalyptic number.

It is an amenable number.

745223061 is a deficient number, since it is larger than the sum of its proper divisors (338737803).

745223061 is a wasteful number, since it uses less digits than its factorization.

745223061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22582531.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 745223061 is about 27298.7739834594. The cubic root of 745223061 is about 906.6272367122.

The spelling of 745223061 in words is "seven hundred forty-five million, two hundred twenty-three thousand, sixty-one".

Divisors: 1 3 11 33 22582517 67747551 248407687 745223061