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163144302 = 2383327599
BaseRepresentation
bin10011011100101…
…10001001101110
3102100222120220120
421232112021232
5313231104202
624104425410
74020463236
oct1156261156
9370876816
10163144302
11840aa802
1246778266
1327a519b9
141794acc6
15e4c90bc
hex9b9626e

163144302 has 16 divisors (see below), whose sum is σ = 330220800. Its totient is φ = 53726072.

The previous prime is 163144283. The next prime is 163144307. The reversal of 163144302 is 203441361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163144307) 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, 163302 + ... + 164297.

It is an arithmetic number, because the mean of its divisors is an integer number (20638800).

Almost surely, 2163144302 is an apocalyptic number.

163144302 is an abundant number, since it is smaller than the sum of its proper divisors (167076498).

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

163144302 is a wasteful number, since it uses less digits than its factorization.

163144302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327687.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 163144302 is about 12772.7953870717. The cubic root of 163144302 is about 546.4167074751.

Adding to 163144302 its reverse (203441361), we get a palindrome (366585663).

The spelling of 163144302 in words is "one hundred sixty-three million, one hundred forty-four thousand, three hundred two".

Divisors: 1 2 3 6 83 166 249 498 327599 655198 982797 1965594 27190717 54381434 81572151 163144302