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8730997 = 112591223
BaseRepresentation
bin100001010011…
…100101110101
3121102120200021
4201103211311
54213342442
6511045141
7134132542
oct41234565
917376607
108730997
114a23800
122b107b1
131a69092
141233bc9
15b76e67
hex853975

8730997 has 12 divisors (see below), whose sum is σ = 9767520. Its totient is φ = 7796360.

The previous prime is 8730983. The next prime is 8731027. The reversal of 8730997 is 7990378.

8730997 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8730997 - 215 = 8698229 is a prime.

It is a super-2 number, since 2×87309972 = 152460617228018, which contains 22 as substring.

It is a Duffinian number.

8730997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8730947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6528 + ... + 7750.

It is an arithmetic number, because the mean of its divisors is an integer number (813960).

Almost surely, 28730997 is an apocalyptic number.

It is an amenable number.

8730997 is a deficient number, since it is larger than the sum of its proper divisors (1036523).

8730997 is a wasteful number, since it uses less digits than its factorization.

8730997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 8730997 is about 2954.8260524099. The cubic root of 8730997 is about 205.9149820410.

The spelling of 8730997 in words is "eight million, seven hundred thirty thousand, nine hundred ninety-seven".

Divisors: 1 11 59 121 649 1223 7139 13453 72157 147983 793727 8730997