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197112315 = 3513140821
BaseRepresentation
bin10111011111110…
…11000111111011
3111201220100021010
423233323013323
5400430043230
631320445003
74612266321
oct1357730773
9451810233
10197112315
11a12a0444
1256019763
1331ab5b0a
141c26dd11
15124889b0
hexbbfb1fb

197112315 has 8 divisors (see below), whose sum is σ = 315379728. Its totient is φ = 105126560.

The previous prime is 197112281. The next prime is 197112319. The reversal of 197112315 is 513211791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 197112315 - 220 = 196063739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197112319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6570396 + ... + 6570425.

It is an arithmetic number, because the mean of its divisors is an integer number (39422466).

Almost surely, 2197112315 is an apocalyptic number.

197112315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

197112315 is a deficient number, since it is larger than the sum of its proper divisors (118267413).

197112315 is a wasteful number, since it uses less digits than its factorization.

197112315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13140829.

The product of its digits is 1890, while the sum is 30.

The square root of 197112315 is about 14039.6693337130. The cubic root of 197112315 is about 581.9753446647.

The spelling of 197112315 in words is "one hundred ninety-seven million, one hundred twelve thousand, three hundred fifteen".

Divisors: 1 3 5 15 13140821 39422463 65704105 197112315