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196000181 = 13192334501
BaseRepresentation
bin10111010111010…
…11100110110101
3111122210211200222
423223223212311
5400134001211
631240544125
74566655046
oct1353534665
9448724628
10196000181
11a0700923
1255782045
13317b6850
141c0608cd
15123191db
hexbaeb9b5

196000181 has 16 divisors (see below), whose sum is σ = 231853440. Its totient is φ = 163944000.

The previous prime is 196000171. The next prime is 196000193. The reversal of 196000181 is 181000691.

It is not a de Polignac number, because 196000181 - 26 = 196000117 is a prime.

It is a super-2 number, since 2×1960001812 = 76832141904065522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 196000181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196000111) 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, 11570 + ... + 22931.

It is an arithmetic number, because the mean of its divisors is an integer number (14490840).

Almost surely, 2196000181 is an apocalyptic number.

It is an amenable number.

196000181 is a deficient number, since it is larger than the sum of its proper divisors (35853259).

196000181 is a wasteful number, since it uses less digits than its factorization.

196000181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34556.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 196000181 is about 14000.0064642842. The cubic root of 196000181 is about 580.8787521642.

The spelling of 196000181 in words is "one hundred ninety-six million, one hundred eighty-one", and thus it is an aban number.

Divisors: 1 13 19 23 247 299 437 5681 34501 448513 655519 793523 8521747 10315799 15076937 196000181