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807072445 = 5315699151
BaseRepresentation
bin110000000110101…
…111001010111101
32002020122112021001
4300012233022331
53123102304240
6212030210301
726000000614
oct6006571275
92066575231
10807072445
11384631523
121a6353991
13cb28b07a
147928a87b
154acc289a
hex301af2bd

807072445 has 16 divisors (see below), whose sum is σ = 1001594880. Its totient is φ = 623664000.

The previous prime is 807072437. The next prime is 807072479. The reversal of 807072445 is 544270708.

It is not a de Polignac number, because 807072445 - 23 = 807072437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83620 + ... + 92770.

It is an arithmetic number, because the mean of its divisors is an integer number (62599680).

Almost surely, 2807072445 is an apocalyptic number.

It is an amenable number.

807072445 is a deficient number, since it is larger than the sum of its proper divisors (194522435).

807072445 is a wasteful number, since it uses less digits than its factorization.

807072445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9756.

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 807072445 is about 28409.0204864582. The cubic root of 807072445 is about 931.0453597756.

The spelling of 807072445 in words is "eight hundred seven million, seventy-two thousand, four hundred forty-five".

Divisors: 1 5 31 155 569 2845 9151 17639 45755 88195 283681 1418405 5206919 26034595 161414489 807072445