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197082228 = 22372346217
BaseRepresentation
bin10111011111100…
…11110001110100
3111201211210222210
423233303301310
5400423112403
631320053420
74612112520
oct1357636164
9451753883
10197082228
11a127a882
1256004270
1331aa5205
141c262d80
151247eb03
hexbbf3c74

197082228 has 24 divisors (see below), whose sum is σ = 525552832. Its totient is φ = 56309184.

The previous prime is 197082227. The next prime is 197082247. The reversal of 197082228 is 822280791.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197082227) 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, 1173025 + ... + 1173192.

Almost surely, 2197082228 is an apocalyptic number.

It is an amenable number.

197082228 is an abundant number, since it is smaller than the sum of its proper divisors (328470604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197082228 is a wasteful number, since it uses less digits than its factorization.

197082228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346231 (or 2346229 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 197082228 is about 14038.5977932271. The cubic root of 197082228 is about 581.9457324727.

The spelling of 197082228 in words is "one hundred ninety-seven million, eighty-two thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 2346217 4692434 7038651 9384868 14077302 16423519 28154604 32847038 49270557 65694076 98541114 197082228