Search a number
-
+
196685307 = 3371380051
BaseRepresentation
bin10111011100100…
…10110111111011
3111201002122112000
423232102313323
5400322412212
631303352043
74605540360
oct1356226773
9451078460
10196685307
11a1029645
1255a52623
1331996650
141c19c467
15124021dc
hexbb92dfb

196685307 has 32 divisors (see below), whose sum is σ = 358632960. Its totient is φ = 103744800.

The previous prime is 196685263. The next prime is 196685309. The reversal of 196685307 is 703586691.

It is a happy number.

It is not a de Polignac number, because 196685307 - 27 = 196685179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196685309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37569 + ... + 42482.

It is an arithmetic number, because the mean of its divisors is an integer number (11207280).

Almost surely, 2196685307 is an apocalyptic number.

196685307 is a deficient number, since it is larger than the sum of its proper divisors (161947653).

196685307 is a wasteful number, since it uses less digits than its factorization.

196685307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80080 (or 80074 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 196685307 is about 14024.4538931111. The cubic root of 196685307 is about 581.5547929039.

The spelling of 196685307 in words is "one hundred ninety-six million, six hundred eighty-five thousand, three hundred seven".

Divisors: 1 3 7 9 13 21 27 39 63 91 117 189 273 351 819 2457 80051 240153 560357 720459 1040663 1681071 2161377 3121989 5043213 7284641 9365967 15129639 21853923 28097901 65561769 196685307