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745493 = 7281379
BaseRepresentation
bin10110110000000010101
31101212121212
42312000111
5142323433
623551205
76223310
oct2660025
91355555
10745493
1146a111
122bb505
13201428
14155977
15ead48
hexb6015

745493 has 8 divisors (see below), whose sum is σ = 857280. Its totient is φ = 635040.

The previous prime is 745477. The next prime is 745517. The reversal of 745493 is 394547.

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

It is not a de Polignac number, because 745493 - 24 = 745477 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 745493.

It is not an unprimeable number, because it can be changed into a prime (745993) 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, 1778 + ... + 2156.

It is an arithmetic number, because the mean of its divisors is an integer number (107160).

2745493 is an apocalyptic number.

It is an amenable number.

745493 is a deficient number, since it is larger than the sum of its proper divisors (111787).

745493 is a wasteful number, since it uses less digits than its factorization.

745493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667.

The product of its digits is 15120, while the sum is 32.

The square root of 745493 is about 863.4193650828. The cubic root of 745493 is about 90.6736691415.

The spelling of 745493 in words is "seven hundred forty-five thousand, four hundred ninety-three".

Divisors: 1 7 281 379 1967 2653 106499 745493