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868460997 = 31736074721
BaseRepresentation
bin110011110000111…
…010100111000101
32020112011101112010
4303300322213011
53234311222442
6222102044433
730343540155
oct6360724705
92215141463
10868460997
11406250668
12202a19719
1310ac03061
14834aa765
155139bb9c
hex33c3a9c5

868460997 has 16 divisors (see below), whose sum is σ = 1226662272. Its totient is φ = 544650240.

The previous prime is 868460993. The next prime is 868461029. The reversal of 868460997 is 799064868.

It is not a de Polignac number, because 868460997 - 22 = 868460993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868460993) 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, 181597 + ... + 186317.

It is an arithmetic number, because the mean of its divisors is an integer number (76666392).

Almost surely, 2868460997 is an apocalyptic number.

It is an amenable number.

868460997 is a deficient number, since it is larger than the sum of its proper divisors (358201275).

868460997 is a wasteful number, since it uses less digits than its factorization.

868460997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8348.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The square root of 868460997 is about 29469.6623156764. The cubic root of 868460997 is about 954.0770290153.

The spelling of 868460997 in words is "eight hundred sixty-eight million, four hundred sixty thousand, nine hundred ninety-seven".

Divisors: 1 3 17 51 3607 4721 10821 14163 61319 80257 183957 240771 17028647 51085941 289486999 868460997