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206299338 = 23713993511
BaseRepresentation
bin11000100101111…
…10000011001010
3112101012002111020
430102332003022
5410303034323
632245413310
75053341540
oct1422760312
9471162436
10206299338
11a64a5823
125910a236
133398161b
141d581d90
15131a0ae3
hexc4be0ca

206299338 has 32 divisors (see below), whose sum is σ = 472012800. Its totient is φ = 58883760.

The previous prime is 206299333. The next prime is 206299339. The reversal of 206299338 is 833992602.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 206299338.

It is not an unprimeable number, because it can be changed into a prime (206299333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57003 + ... + 60513.

It is an arithmetic number, because the mean of its divisors is an integer number (14750400).

Almost surely, 2206299338 is an apocalyptic number.

206299338 is an abundant number, since it is smaller than the sum of its proper divisors (265713462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206299338 is a wasteful number, since it uses less digits than its factorization.

206299338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4922.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 206299338 is about 14363.1242423088. The cubic root of 206299338 is about 590.8799834169.

The spelling of 206299338 in words is "two hundred six million, two hundred ninety-nine thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 1399 2798 3511 4197 7022 8394 9793 10533 19586 21066 24577 29379 49154 58758 73731 147462 4911889 9823778 14735667 29471334 34383223 68766446 103149669 206299338