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165214308 = 223717311369
BaseRepresentation
bin10011101100011…
…11100001100100
3102111212202102110
421312033201210
5314243324213
624221041020
74044204240
oct1166174144
9374782373
10165214308
1185293a56
12473b6170
13282c7c5c
1417d29420
15e7875c3
hex9d8f864

165214308 has 48 divisors (see below), whose sum is σ = 443157120. Its totient is φ = 46927104.

The previous prime is 165214307. The next prime is 165214319. The reversal of 165214308 is 803412561.

165214308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (165214307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8848 + ... + 20216.

It is an arithmetic number, because the mean of its divisors is an integer number (9232440).

Almost surely, 2165214308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165214308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221578560).

165214308 is an abundant number, since it is smaller than the sum of its proper divisors (277942812).

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

165214308 is a wasteful number, since it uses less digits than its factorization.

165214308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11556 (or 11554 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 165214308 is about 12853.5717993093. The cubic root of 165214308 is about 548.7180147158.

Adding to 165214308 its reverse (803412561), we get a palindrome (968626869).

The spelling of 165214308 in words is "one hundred sixty-five million, two hundred fourteen thousand, three hundred eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 173 346 519 692 1038 1211 2076 2422 3633 4844 7266 11369 14532 22738 34107 45476 68214 79583 136428 159166 238749 318332 477498 954996 1966837 3933674 5900511 7867348 11801022 13767859 23602044 27535718 41303577 55071436 82607154 165214308