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196985501 = 2331276277
BaseRepresentation
bin10111011110111…
…00001010011101
3111201122220022022
423233130022131
5400412014001
631314025525
74611230516
oct1357341235
9451586268
10196985501
11a1214139
1255b782a5
1331a7018b
141c239a0d
151246111b
hexbbdc29d

196985501 has 8 divisors (see below), whose sum is σ = 212181504. Its totient is φ = 182342160.

The previous prime is 196985491. The next prime is 196985513. The reversal of 196985501 is 105589691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 196985501 - 210 = 196984477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196985401) 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 7 ways as a sum of consecutive naturals, for example, 137426 + ... + 138851.

It is an arithmetic number, because the mean of its divisors is an integer number (26522688).

Almost surely, 2196985501 is an apocalyptic number.

It is an amenable number.

196985501 is a deficient number, since it is larger than the sum of its proper divisors (15196003).

196985501 is a wasteful number, since it uses less digits than its factorization.

196985501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276331.

The product of its (nonzero) digits is 97200, while the sum is 44.

The square root of 196985501 is about 14035.1523326254. The cubic root of 196985501 is about 581.8505115136.

The spelling of 196985501 in words is "one hundred ninety-six million, nine hundred eighty-five thousand, five hundred one".

Divisors: 1 23 31 713 276277 6354371 8564587 196985501