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197242038 = 23271565413
BaseRepresentation
bin10111100000110…
…10110010110110
3111202010221012200
423300122302312
5400443221123
631323325330
74613346450
oct1360326266
9452127180
10197242038
11a1379954
1256080846
1331b2cb86
141c2a52d0
15124b2143
hexbc1acb6

197242038 has 24 divisors (see below), whose sum is σ = 488409168. Its totient is φ = 56354832.

The previous prime is 197242009. The next prime is 197242039. The reversal of 197242038 is 830242791.

197242038 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 197241993 and 197242011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197242039) 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, 782581 + ... + 782832.

It is an arithmetic number, because the mean of its divisors is an integer number (20350382).

Almost surely, 2197242038 is an apocalyptic number.

197242038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

197242038 is an abundant number, since it is smaller than the sum of its proper divisors (291167130).

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

197242038 is a wasteful number, since it uses less digits than its factorization.

197242038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565428 (or 1565425 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 197242038 is about 14044.2884476217. The cubic root of 197242038 is about 582.1029859912.

The spelling of 197242038 in words is "one hundred ninety-seven million, two hundred forty-two thousand, thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1565413 3130826 4696239 9392478 10957891 14088717 21915782 28177434 32873673 65747346 98621019 197242038