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196610145 = 3543330271
BaseRepresentation
bin10111011100000…
…00100001100001
3111200221211102020
423232000201201
5400313011040
631302012053
74605105264
oct1356004141
9450854366
10196610145
11a0a88126
1255a17029
133196b384
141c17ccdb
15123d9cd0
hexbb80861

196610145 has 16 divisors (see below), whose sum is σ = 315313152. Its totient is φ = 104613120.

The previous prime is 196610143. The next prime is 196610159. The reversal of 196610145 is 541016691.

It is not a de Polignac number, because 196610145 - 21 = 196610143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (196610143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8641 + ... + 21630.

It is an arithmetic number, because the mean of its divisors is an integer number (19707072).

Almost surely, 2196610145 is an apocalyptic number.

196610145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196610145 is a deficient number, since it is larger than the sum of its proper divisors (118703007).

196610145 is a wasteful number, since it uses less digits than its factorization.

196610145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30712.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 196610145 is about 14021.7739605230. The cubic root of 196610145 is about 581.4807043490.

The spelling of 196610145 in words is "one hundred ninety-six million, six hundred ten thousand, one hundred forty-five".

Divisors: 1 3 5 15 433 1299 2165 6495 30271 90813 151355 454065 13107343 39322029 65536715 196610145