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196805701 = 3137171583
BaseRepresentation
bin10111011101100…
…00010001000101
3111201022202200001
423232300101011
5400340240301
631310121301
74606551361
oct1356602105
9451282601
10196805701
11a1101044
1255ab0231
1331a093a1
141c1d02a1
1512427c01
hexbbb0445

196805701 has 8 divisors (see below), whose sum is σ = 208646144. Its totient is φ = 185308560.

The previous prime is 196805683. The next prime is 196805723. The reversal of 196805701 is 107508691.

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

It is a cyclic number.

It is not a de Polignac number, because 196805701 - 27 = 196805573 is a prime.

It is a super-2 number, since 2×1968057012 = 77464967892202802, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196805771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84645 + ... + 86938.

It is an arithmetic number, because the mean of its divisors is an integer number (26080768).

Almost surely, 2196805701 is an apocalyptic number.

196805701 is the 8100-th hex number.

It is an amenable number.

196805701 is a deficient number, since it is larger than the sum of its proper divisors (11840443).

196805701 is a wasteful number, since it uses less digits than its factorization.

196805701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171651.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 196805701 is about 14028.7455248144. The cubic root of 196805701 is about 581.6734281454.

It can be divided in two parts, 196805 and 701, that added together give a triangular number (197506 = T628).

The spelling of 196805701 in words is "one hundred ninety-six million, eight hundred five thousand, seven hundred one".

Divisors: 1 31 37 1147 171583 5319073 6348571 196805701