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165130206 = 2341671261
BaseRepresentation
bin10011101011110…
…10111111011110
3102111201111001120
421311322333132
5314233131311
624215151410
74043404113
oct1165727736
9374644046
10165130206
118523684a
1247375566
13282988a7
1417d0690a
15e76c706
hex9d7afde

165130206 has 16 divisors (see below), whose sum is σ = 338316048. Its totient is φ = 53700800.

The previous prime is 165130187. The next prime is 165130219. The reversal of 165130206 is 602031561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335385 + ... + 335876.

It is an arithmetic number, because the mean of its divisors is an integer number (21144753).

Almost surely, 2165130206 is an apocalyptic number.

165130206 is an abundant number, since it is smaller than the sum of its proper divisors (173185842).

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

165130206 is a wasteful number, since it uses less digits than its factorization.

165130206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671307.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 165130206 is about 12850.2998408597. The cubic root of 165130206 is about 548.6248909910.

Adding to 165130206 its reverse (602031561), we get a palindrome (767161767).

The spelling of 165130206 in words is "one hundred sixty-five million, one hundred thirty thousand, two hundred six".

Divisors: 1 2 3 6 41 82 123 246 671261 1342522 2013783 4027566 27521701 55043402 82565103 165130206