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197800083 = 33131733149
BaseRepresentation
bin10111100101000…
…11000010010011
3111210012021201000
423302203002103
5401114100313
631343313043
74621162425
oct1362430223
9453167630
10197800083
11a1720148
12562ab783
1331c96b90
141c3ac815
1512572673
hexbca3093

197800083 has 32 divisors (see below), whose sum is σ = 334152000. Its totient is φ = 114559488.

The previous prime is 197800021. The next prime is 197800091. The reversal of 197800083 is 380008791.

It is not a de Polignac number, because 197800083 - 26 = 197800019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197800283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10608 + ... + 22541.

It is an arithmetic number, because the mean of its divisors is an integer number (10442250).

Almost surely, 2197800083 is an apocalyptic number.

197800083 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

197800083 is a deficient number, since it is larger than the sum of its proper divisors (136351917).

197800083 is a wasteful number, since it uses less digits than its factorization.

197800083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33188 (or 33182 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 197800083 is about 14064.1417441663. The cubic root of 197800083 is about 582.6514387027.

The spelling of 197800083 in words is "one hundred ninety-seven million, eight hundred thousand, eighty-three".

Divisors: 1 3 9 13 17 27 39 51 117 153 221 351 459 663 1989 5967 33149 99447 298341 430937 563533 895023 1292811 1690599 3878433 5071797 7325929 11635299 15215391 21977787 65933361 197800083