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207917093 = 3159911197
BaseRepresentation
bin11000110010010…
…01000000100101
3112111020021122002
430121021000211
5411211321333
632344215045
75103160166
oct1431110045
9474207562
10207917093
11a740020a
125976a485
13340c9a87
141d88376d
15133c00e8
hexc649025

207917093 has 8 divisors (see below), whose sum is σ = 215001600. Its totient is φ = 200856240.

The previous prime is 207917077. The next prime is 207917111. The reversal of 207917093 is 390719702.

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

It is a cyclic number.

It is not a de Polignac number, because 207917093 - 24 = 207917077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207997093) 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, 12971 + ... + 24167.

It is an arithmetic number, because the mean of its divisors is an integer number (26875200).

Almost surely, 2207917093 is an apocalyptic number.

It is an amenable number.

207917093 is a deficient number, since it is larger than the sum of its proper divisors (7084507).

207917093 is a wasteful number, since it uses less digits than its factorization.

207917093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11827.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 207917093 is about 14419.3305323097. The cubic root of 207917093 is about 592.4204815335.

The spelling of 207917093 in words is "two hundred seven million, nine hundred seventeen thousand, ninety-three".

Divisors: 1 31 599 11197 18569 347107 6707003 207917093