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207994241 = 7131132179
BaseRepresentation
bin11000110010110…
…11110110000001
3112111101012110102
430121123312001
5411221303431
632350012145
75103631130
oct1431336601
9474335412
10207994241
11a7453174
12597a7055
1334125c20
141d8a3917
15133d7dcb
hexc65bd81

207994241 has 24 divisors (see below), whose sum is σ = 259721280. Its totient is φ = 162199296.

The previous prime is 207994217. The next prime is 207994343. The reversal of 207994241 is 142499702.

207994241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 207994241 - 210 = 207993217 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 207994195 and 207994204.

It is not an unprimeable number, because it can be changed into a prime (207994211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1161890 + ... + 1162068.

It is an arithmetic number, because the mean of its divisors is an integer number (10821720).

Almost surely, 2207994241 is an apocalyptic number.

It is an amenable number.

207994241 is a deficient number, since it is larger than the sum of its proper divisors (51727039).

207994241 is a wasteful number, since it uses less digits than its factorization.

207994241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 207994241 is about 14422.0054430721. The cubic root of 207994241 is about 592.4937453570.

The spelling of 207994241 in words is "two hundred seven million, nine hundred ninety-four thousand, two hundred forty-one".

Divisors: 1 7 13 91 113 179 791 1253 1469 2327 10283 12769 16289 20227 89383 141589 165997 262951 1161979 1840657 2285651 15999557 29713463 207994241