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163846097 = 541330269
BaseRepresentation
bin10011100010000…
…01011111010001
3102102022020120222
421301001133101
5313421033342
624131442425
74026445262
oct1161013721
9372266528
10163846097
1184539aa8
1246a56415
1327c3926c
1417a90969
15e5b6ed2
hex9c417d1

163846097 has 4 divisors (see below), whose sum is σ = 163881780. Its totient is φ = 163810416.

The previous prime is 163846073. The next prime is 163846099. The reversal of 163846097 is 790648361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 790648361 = 2131337097.

It can be written as a sum of positive squares in 2 ways, for example, as 86564416 + 77281681 = 9304^2 + 8791^2 .

It is a cyclic number.

It is not a de Polignac number, because 163846097 - 224 = 147068881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163846099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9722 + ... + 20547.

It is an arithmetic number, because the mean of its divisors is an integer number (40970445).

Almost surely, 2163846097 is an apocalyptic number.

It is an amenable number.

163846097 is a deficient number, since it is larger than the sum of its proper divisors (35683).

163846097 is an equidigital number, since it uses as much as digits as its factorization.

163846097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35682.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 163846097 is about 12800.2381618468. The cubic root of 163846097 is about 547.1990904327.

The spelling of 163846097 in words is "one hundred sixty-three million, eight hundred forty-six thousand, ninety-seven".

Divisors: 1 5413 30269 163846097