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745007 = 4991493
BaseRepresentation
bin10110101111000101111
31101211221212
42311320233
5142320012
623545035
76222014
oct2657057
91354855
10745007
1146980a
122bb17b
13201143
1415570b
15eab22
hexb5e2f

745007 has 4 divisors (see below), whose sum is σ = 747000. Its totient is φ = 743016.

The previous prime is 745001. The next prime is 745013. The reversal of 745007 is 700547.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700547 = 4011747.

It is an interprime number because it is at equal distance from previous prime (745001) and next prime (745013).

It is a cyclic number.

It is not a de Polignac number, because 745007 - 218 = 482863 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 (745001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248 + ... + 1245.

It is an arithmetic number, because the mean of its divisors is an integer number (186750).

2745007 is an apocalyptic number.

745007 is a deficient number, since it is larger than the sum of its proper divisors (1993).

745007 is a wasteful number, since it uses less digits than its factorization.

745007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 745007 is about 863.1378800632. The cubic root of 745007 is about 90.6539609382.

The spelling of 745007 in words is "seven hundred forty-five thousand, seven".

Divisors: 1 499 1493 745007