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163920102 = 2379345823
BaseRepresentation
bin10011100010100…
…11100011100110
3102102110000002220
421301103203212
5313430420402
624133213210
74030204113
oct1161234346
9372400086
10163920102
118458a665
1246a91206
1327c63b58
1417aad90a
15e5cddbc
hex9c538e6

163920102 has 16 divisors (see below), whose sum is σ = 331991040. Its totient is φ = 53948232.

The previous prime is 163920079. The next prime is 163920143. The reversal of 163920102 is 201029361.

163920102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 172438 + ... + 173385.

It is an arithmetic number, because the mean of its divisors is an integer number (20749440).

Almost surely, 2163920102 is an apocalyptic number.

163920102 is an abundant number, since it is smaller than the sum of its proper divisors (168070938).

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

163920102 is a wasteful number, since it uses less digits than its factorization.

163920102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345907.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 163920102 is about 12803.1286020254. The cubic root of 163920102 is about 547.2814632082.

Adding to 163920102 its reverse (201029361), we get a palindrome (364949463).

The spelling of 163920102 in words is "one hundred sixty-three million, nine hundred twenty thousand, one hundred two".

Divisors: 1 2 3 6 79 158 237 474 345823 691646 1037469 2074938 27320017 54640034 81960051 163920102