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745116975 = 3552122653
BaseRepresentation
bin101100011010011…
…001010100101111
31220221001212100000
4230122121110233
53011222220400
6201534235343
724315250461
oct5432312457
91827055300
10745116975
11352665459
12189655b53
13bb4a8025
1470d60131
1545635600
hex2c69952f

745116975 has 36 divisors (see below), whose sum is σ = 1384027736. Its totient is φ = 397392480.

The previous prime is 745116973. The next prime is 745117003. The reversal of 745116975 is 579611547.

745116975 is a `hidden beast` number, since 7 + 4 + 511 + 69 + 75 = 666.

It is not a de Polignac number, because 745116975 - 21 = 745116973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 745116975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745116971) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 55252 + ... + 67401.

Almost surely, 2745116975 is an apocalyptic number.

745116975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

745116975 is a deficient number, since it is larger than the sum of its proper divisors (638910761).

745116975 is a wasteful number, since it uses less digits than its factorization.

745116975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122678 (or 122661 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 745116975 is about 27296.8308600101. The cubic root of 745116975 is about 906.5842137900.

The spelling of 745116975 in words is "seven hundred forty-five million, one hundred sixteen thousand, nine hundred seventy-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 225 243 405 675 1215 2025 6075 122653 367959 613265 1103877 1839795 3066325 3311631 5519385 9198975 9934893 16558155 27596925 29804679 49674465 82790775 149023395 248372325 745116975