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837920193 = 31150392
BaseRepresentation
bin110001111100011…
…010010111000001
32011101200202102020
4301330122113001
53204001421233
6215051312053
726523130005
oct6174322701
92141622366
10837920193
1139aa90930
121b474b629
1310479bb86
147d3da705
154d8679b3
hex31f1a5c1

837920193 has 12 divisors (see below), whose sum is σ = 1219034928. Its totient is φ = 507729640.

The previous prime is 837920189. The next prime is 837920221. The reversal of 837920193 is 391029738.

837920193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 837920193 - 22 = 837920189 is a prime.

It is a super-2 number, since 2×8379201932 = 1404220499674314498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (837920143) 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, 163768 + ... + 168806.

It is an arithmetic number, because the mean of its divisors is an integer number (101586244).

Almost surely, 2837920193 is an apocalyptic number.

It is an amenable number.

837920193 is a deficient number, since it is larger than the sum of its proper divisors (381114735).

837920193 is an frugal number, since it uses more digits than its factorization.

837920193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10092 (or 5053 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 837920193 is about 28946.8511759051. The cubic root of 837920193 is about 942.7594308192.

The spelling of 837920193 in words is "eight hundred thirty-seven million, nine hundred twenty thousand, one hundred ninety-three".

Divisors: 1 3 11 33 5039 15117 55429 166287 25391521 76174563 279306731 837920193