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197683113 = 365894371
BaseRepresentation
bin10111100100001…
…10011110101001
3111202222100020210
423302012132221
5401101324423
631341011333
74620164415
oct1362063651
9452870223
10197683113
11a1650281
1256253b49
1331c55874
141c37bd45
151254cb93
hexbc867a9

197683113 has 4 divisors (see below), whose sum is σ = 263577488. Its totient is φ = 131788740.

The previous prime is 197683103. The next prime is 197683117. The reversal of 197683113 is 311386791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311386791 = 3103795597.

It is not a de Polignac number, because 197683113 - 24 = 197683097 is a prime.

It is a super-2 number, since 2×1976831132 = 78157226330741538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (197683117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32947183 + ... + 32947188.

It is an arithmetic number, because the mean of its divisors is an integer number (65894372).

Almost surely, 2197683113 is an apocalyptic number.

It is an amenable number.

197683113 is a deficient number, since it is larger than the sum of its proper divisors (65894375).

197683113 is an equidigital number, since it uses as much as digits as its factorization.

197683113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65894374.

The product of its digits is 27216, while the sum is 39.

The square root of 197683113 is about 14059.9826813549. The cubic root of 197683113 is about 582.5365648423.

The spelling of 197683113 in words is "one hundred ninety-seven million, six hundred eighty-three thousand, one hundred thirteen".

Divisors: 1 3 65894371 197683113