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163430029 = 7142716361
BaseRepresentation
bin10011011110110…
…11111010001101
3102101112002212001
421233123322031
5313314230104
624114512301
74023063250
oct1157337215
9371462761
10163430029
1184285444
1246895691
1327b21a79
14179c3097
15e533aa4
hex9bdbe8d

163430029 has 8 divisors (see below), whose sum is σ = 186919488. Its totient is φ = 139976160.

The previous prime is 163430021. The next prime is 163430063. The reversal of 163430029 is 920034361.

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

It is a cyclic number.

It is not a de Polignac number, because 163430029 - 23 = 163430021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163429979 and 163430006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163430021) 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, 1809 + ... + 18169.

It is an arithmetic number, because the mean of its divisors is an integer number (23364936).

Almost surely, 2163430029 is an apocalyptic number.

It is an amenable number.

163430029 is a deficient number, since it is larger than the sum of its proper divisors (23489459).

163430029 is a wasteful number, since it uses less digits than its factorization.

163430029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17795.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 163430029 is about 12783.9754771354. The cubic root of 163430029 is about 546.7355151158.

The spelling of 163430029 in words is "one hundred sixty-three million, four hundred thirty thousand, twenty-nine".

Divisors: 1 7 1427 9989 16361 114527 23347147 163430029