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197020194 = 2374690957
BaseRepresentation
bin10111011111001…
…00101000100010
3111201201122220020
423233210220202
5400414121234
631314454310
74611433620
oct1357445042
9451648806
10197020194
11a1238208
1255b94396
1331a82bc7
141c248510
151246b549
hexbbe4a22

197020194 has 16 divisors (see below), whose sum is σ = 450331968. Its totient is φ = 56291472.

The previous prime is 197020189. The next prime is 197020217. The reversal of 197020194 is 491020791.

197020194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2345437 + ... + 2345520.

It is an arithmetic number, because the mean of its divisors is an integer number (28145748).

Almost surely, 2197020194 is an apocalyptic number.

197020194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

197020194 is an abundant number, since it is smaller than the sum of its proper divisors (253311774).

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

197020194 is a wasteful number, since it uses less digits than its factorization.

197020194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4690969.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 197020194 is about 14036.3882106474. The cubic root of 197020194 is about 581.8846679274.

The spelling of 197020194 in words is "one hundred ninety-seven million, twenty thousand, one hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 4690957 9381914 14072871 28145742 32836699 65673398 98510097 197020194