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196203689 = 1179225781
BaseRepresentation
bin10111011000111…
…01010010101001
3111200012011212022
423230131102221
5400212004224
631245154225
74601463263
oct1354352251
9450164768
10196203689
11a082a810
125585b975
1331858376
141c0b4b33
151235965e
hexbb1d4a9

196203689 has 8 divisors (see below), whose sum is σ = 216750720. Its totient is φ = 176108400.

The previous prime is 196203661. The next prime is 196203691. The reversal of 196203689 is 986302691.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-196203689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196203629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112022 + ... + 113759.

It is an arithmetic number, because the mean of its divisors is an integer number (27093840).

Almost surely, 2196203689 is an apocalyptic number.

It is an amenable number.

196203689 is a deficient number, since it is larger than the sum of its proper divisors (20547031).

196203689 is a wasteful number, since it uses less digits than its factorization.

196203689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225871.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 196203689 is about 14007.2727181275. The cubic root of 196203689 is about 581.0797257588.

The spelling of 196203689 in words is "one hundred ninety-six million, two hundred three thousand, six hundred eighty-nine".

Divisors: 1 11 79 869 225781 2483591 17836699 196203689