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745347607 = 1395362213
BaseRepresentation
bin101100011011010…
…001101000010111
31220221111120200221
4230123101220113
53011302110412
6201543215211
724320231044
oct5433215027
91827446627
10745347607
11352802764
12189747507
13bb558cb4
1470dc01cb
154567db07
hex2c6d1a17

745347607 has 4 divisors (see below), whose sum is σ = 750709960. Its totient is φ = 739985256.

The previous prime is 745347557. The next prime is 745347613. The reversal of 745347607 is 706743547.

745347607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706743547 = 6731050139.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-745347607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745347107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2680968 + ... + 2681245.

It is an arithmetic number, because the mean of its divisors is an integer number (187677490).

Almost surely, 2745347607 is an apocalyptic number.

745347607 is a deficient number, since it is larger than the sum of its proper divisors (5362353).

745347607 is a wasteful number, since it uses less digits than its factorization.

745347607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362352.

The product of its (nonzero) digits is 493920, while the sum is 43.

The square root of 745347607 is about 27301.0550528730. The cubic root of 745347607 is about 906.6777408328.

The spelling of 745347607 in words is "seven hundred forty-five million, three hundred forty-seven thousand, six hundred seven".

Divisors: 1 139 5362213 745347607