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8472347461 = 314130721713
BaseRepresentation
bin1111110001111110…
…11100001101000101
3210212110012211210201
413320333130031011
5114322410104321
63520411450501
7416644523314
oct77077341505
923773184721
108472347461
113658468056
121785456a31
13a50365866
145a530227b
15348c00291
hex1f8fdc345

8472347461 has 16 divisors (see below), whose sum is σ = 8988553728. Its totient is φ = 7972646400.

The previous prime is 8472347453. The next prime is 8472347473. The reversal of 8472347461 is 1647432748.

It is a cyclic number.

It is not a de Polignac number, because 8472347461 - 23 = 8472347453 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 (8472377461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379341 + ... + 401053.

It is an arithmetic number, because the mean of its divisors is an integer number (561784608).

Almost surely, 28472347461 is an apocalyptic number.

It is an amenable number.

8472347461 is a deficient number, since it is larger than the sum of its proper divisors (516206267).

8472347461 is a wasteful number, since it uses less digits than its factorization.

8472347461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22092.

The product of its digits is 903168, while the sum is 46.

The square root of 8472347461 is about 92045.3554558838. The cubic root of 8472347461 is about 2038.6120461688.

The spelling of 8472347461 in words is "eight billion, four hundred seventy-two million, three hundred forty-seven thousand, four hundred sixty-one".

Divisors: 1 31 41 307 1271 9517 12587 21713 390197 673103 890233 6665891 27597223 206642621 273301531 8472347461