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163428101 = 1918474657
BaseRepresentation
bin10011011110110…
…11011100000101
3102101112000012122
421233123130011
5313314144401
624114455325
74023054524
oct1157333405
9371460178
10163428101
1184283a51
1246894545
1327b20c25
14179c24bb
15e53321b
hex9bdb705

163428101 has 8 divisors (see below), whose sum is σ = 172159680. Its totient is φ = 154709568.

The previous prime is 163428077. The next prime is 163428107. The reversal of 163428101 is 101824361.

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 163428101 - 222 = 159233797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163428107) 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, 32765 + ... + 37421.

It is an arithmetic number, because the mean of its divisors is an integer number (21519960).

Almost surely, 2163428101 is an apocalyptic number.

It is an amenable number.

163428101 is a deficient number, since it is larger than the sum of its proper divisors (8731579).

163428101 is a wasteful number, since it uses less digits than its factorization.

163428101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6523.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 163428101 is about 12783.9000700099. The cubic root of 163428101 is about 546.7333651433.

The spelling of 163428101 in words is "one hundred sixty-three million, four hundred twenty-eight thousand, one hundred one".

Divisors: 1 19 1847 4657 35093 88483 8601479 163428101