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196188030 = 23252179867
BaseRepresentation
bin10111011000110…
…01011101111110
3111200011101101100
423230121131332
5400211004110
631244553530
74601366523
oct1354313576
9450141340
10196188030
11a0819a75
12558528a6
13318511bc
141c0ad14a
1512354bc0
hexbb1977e

196188030 has 24 divisors (see below), whose sum is σ = 510089112. Its totient is φ = 52316784.

The previous prime is 196188019. The next prime is 196188037. The reversal of 196188030 is 30881691.

196188030 is a `hidden beast` number, since 1 + 9 + 618 + 8 + 0 + 30 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196188037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1089844 + ... + 1090023.

It is an arithmetic number, because the mean of its divisors is an integer number (21253713).

Almost surely, 2196188030 is an apocalyptic number.

196188030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196188030 is an abundant number, since it is smaller than the sum of its proper divisors (313901082).

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

196188030 is a wasteful number, since it uses less digits than its factorization.

196188030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179880 (or 2179877 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 196188030 is about 14006.7137473427. The cubic root of 196188030 is about 581.0642667061.

The spelling of 196188030 in words is "one hundred ninety-six million, one hundred eighty-eight thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2179867 4359734 6539601 10899335 13079202 19618803 21798670 32698005 39237606 65396010 98094015 196188030