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196502997 = 31912832687
BaseRepresentation
bin10111011011001…
…10010111010101
3111200202101102210
423231212113111
5400301043442
631255424033
74604151015
oct1355462725
9450671383
10196502997
11a0a14679
1255985019
1331931682
141c151c45
15123b819c
hexbb665d5

196502997 has 16 divisors (see below), whose sum is σ = 276111360. Its totient is φ = 123964272.

The previous prime is 196502989. The next prime is 196503059. The reversal of 196502997 is 799205691.

It is not a de Polignac number, because 196502997 - 23 = 196502989 is a prime.

It is a super-2 number, since 2×1965029972 = 77226855659964018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196502947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71788 + ... + 74474.

It is an arithmetic number, because the mean of its divisors is an integer number (17256960).

Almost surely, 2196502997 is an apocalyptic number.

It is an amenable number.

196502997 is a deficient number, since it is larger than the sum of its proper divisors (79608363).

196502997 is a wasteful number, since it uses less digits than its factorization.

196502997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992.

The product of its (nonzero) digits is 306180, while the sum is 48.

The square root of 196502997 is about 14017.9526679184. The cubic root of 196502997 is about 581.3750539580.

The spelling of 196502997 in words is "one hundred ninety-six million, five hundred two thousand, nine hundred ninety-seven".

Divisors: 1 3 19 57 1283 2687 3849 8061 24377 51053 73131 153159 3447421 10342263 65500999 196502997