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163506093 = 3244722273
BaseRepresentation
bin10011011111011…
…10011110101101
3102101122222012020
421233232132231
5313324143333
624120300353
74023531102
oct1157563655
9371588166
10163506093
1184327603
12469116b9
1327b4a58a
1417a02aa9
15e54b3b3
hex9bee7ad

163506093 has 8 divisors (see below), whose sum is σ = 218107008. Its totient is φ = 108954624.

The previous prime is 163506067. The next prime is 163506107. The reversal of 163506093 is 390605361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163506093 - 25 = 163506061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163502093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3796 + ... + 18477.

It is an arithmetic number, because the mean of its divisors is an integer number (27263376).

Almost surely, 2163506093 is an apocalyptic number.

It is an amenable number.

163506093 is a deficient number, since it is larger than the sum of its proper divisors (54600915).

163506093 is a wasteful number, since it uses less digits than its factorization.

163506093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24723.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 163506093 is about 12786.9501054786. The cubic root of 163506093 is about 546.8203229493.

The spelling of 163506093 in words is "one hundred sixty-three million, five hundred six thousand, ninety-three".

Divisors: 1 3 2447 7341 22273 66819 54502031 163506093