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196557315 = 3517770813
BaseRepresentation
bin10111011011100…
…11101000000011
3111200212010221120
423231303220003
5400304313230
631300523323
74604465253
oct1355635003
9450763846
10196557315
11a0a51469
12559b0543
1331950306
141c167963
15123c9310
hexbb73a03

196557315 has 16 divisors (see below), whose sum is σ = 332991648. Its totient is φ = 98663936.

The previous prime is 196557313. The next prime is 196557353. The reversal of 196557315 is 513755691.

It is a cyclic number.

It is not a de Polignac number, because 196557315 - 21 = 196557313 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (196557313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385152 + ... + 385661.

It is an arithmetic number, because the mean of its divisors is an integer number (20811978).

Almost surely, 2196557315 is an apocalyptic number.

196557315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

196557315 is a deficient number, since it is larger than the sum of its proper divisors (136434333).

196557315 is a wasteful number, since it uses less digits than its factorization.

196557315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770838.

The product of its digits is 141750, while the sum is 42.

The square root of 196557315 is about 14019.8899781703. The cubic root of 196557315 is about 581.4286175531.

The spelling of 196557315 in words is "one hundred ninety-six million, five hundred fifty-seven thousand, three hundred fifteen".

Divisors: 1 3 5 15 17 51 85 255 770813 2312439 3854065 11562195 13103821 39311463 65519105 196557315