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196473761 = 1122078093
BaseRepresentation
bin10111011010111…
…11001110100001
3111200200220022222
423231133032201
5400244130021
631255040425
74603666541
oct1355371641
9450626288
10196473761
11a09a4710
1255970115
1331921283
141c145321
15123ae6ab
hexbb5f3a1

196473761 has 8 divisors (see below), whose sum is σ = 214458624. Its totient is φ = 178509520.

The previous prime is 196473757. The next prime is 196473769. The reversal of 196473761 is 167374691.

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 196473761 - 22 = 196473757 is a prime.

It is a super-2 number, since 2×1964737612 = 77203877522970242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196473769) 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, 20231 + ... + 28323.

It is an arithmetic number, because the mean of its divisors is an integer number (26807328).

Almost surely, 2196473761 is an apocalyptic number.

196473761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

196473761 is the 8093-rd octagonal number.

It is an amenable number.

196473761 is a deficient number, since it is larger than the sum of its proper divisors (17984863).

196473761 is a wasteful number, since it uses less digits than its factorization.

196473761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10311.

The product of its digits is 190512, while the sum is 44.

The square root of 196473761 is about 14016.9098234953. The cubic root of 196473761 is about 581.3462199209.

The spelling of 196473761 in words is "one hundred ninety-six million, four hundred seventy-three thousand, seven hundred sixty-one".

Divisors: 1 11 2207 8093 24277 89023 17861251 196473761