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197389082 = 21123390097
BaseRepresentation
bin10111100001111…
…10101100011010
3111202102101220202
423300332230122
5401012422312
631330422202
74614531242
oct1360765432
9452371822
10197389082
11a146a380
1256131962
1331b81a97
141c302b22
15124e09c2
hexbc3eb1a

197389082 has 16 divisors (see below), whose sum is σ = 337044672. Its totient is φ = 85821120.

The previous prime is 197389063. The next prime is 197389099. The reversal of 197389082 is 280983791.

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, 194543 + ... + 195554.

It is an arithmetic number, because the mean of its divisors is an integer number (21065292).

Almost surely, 2197389082 is an apocalyptic number.

197389082 is a deficient number, since it is larger than the sum of its proper divisors (139655590).

197389082 is a wasteful number, since it uses less digits than its factorization.

197389082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390133.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 197389082 is about 14049.5224829885. The cubic root of 197389082 is about 582.2476027116.

The spelling of 197389082 in words is "one hundred ninety-seven million, three hundred eighty-nine thousand, eighty-two".

Divisors: 1 2 11 22 23 46 253 506 390097 780194 4291067 8582134 8972231 17944462 98694541 197389082