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204397107 = 3291723357
BaseRepresentation
bin11000010111011…
…01101000110011
3112020121110010020
430023231220303
5404311201412
632140534523
75031226635
oct1413555063
9466543106
10204397107
11a5416632
1258551443
1333466845
141d208a55
1512e2718c
hexc2eda33

204397107 has 8 divisors (see below), whose sum is σ = 272634576. Its totient is φ = 136212192.

The previous prime is 204397091. The next prime is 204397111. The reversal of 204397107 is 701793402.

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

It is not a de Polignac number, because 204397107 - 24 = 204397091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204397147) 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, 2928 + ... + 20429.

It is an arithmetic number, because the mean of its divisors is an integer number (34079322).

Almost surely, 2204397107 is an apocalyptic number.

204397107 is a deficient number, since it is larger than the sum of its proper divisors (68237469).

204397107 is a wasteful number, since it uses less digits than its factorization.

204397107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26277.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 204397107 is about 14296.7516240578. The cubic root of 204397107 is about 589.0582572620.

The spelling of 204397107 in words is "two hundred four million, three hundred ninety-seven thousand, one hundred seven".

Divisors: 1 3 2917 8751 23357 70071 68132369 204397107