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979321093 = 31472412789
BaseRepresentation
bin111010010111110…
…100000100000101
32112020202122222121
4322113310010011
54001201233333
6241102125541
733161043352
oct7227640405
92466678877
10979321093
1146288a483
12233b808b1
13127b79a4a
14940c7629
155ae9932d
hex3a5f4105

979321093 has 16 divisors (see below), whose sum is σ = 1037076480. Its totient is φ = 923385600.

The previous prime is 979321043. The next prime is 979321129. The reversal of 979321093 is 390123979.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-979321093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979321033) 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, 349743 + ... + 352531.

It is an arithmetic number, because the mean of its divisors is an integer number (64817280).

Almost surely, 2979321093 is an apocalyptic number.

It is an amenable number.

979321093 is a deficient number, since it is larger than the sum of its proper divisors (57755387).

979321093 is a wasteful number, since it uses less digits than its factorization.

979321093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 979321093 is about 31294.1063620612. The cubic root of 979321093 is about 993.0589644945.

The spelling of 979321093 in words is "nine hundred seventy-nine million, three hundred twenty-one thousand, ninety-three".

Divisors: 1 31 47 241 1457 2789 7471 11327 86459 131083 351137 672149 4063573 20836619 31591003 979321093