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161941254 = 2326990209
BaseRepresentation
bin10011010011100…
…00011100000110
3102021201110122020
421221300130012
5312424110004
624022544010
74004322636
oct1151603406
9367643566
10161941254
1183458952
1246298006
1327720237
14177166c6
15e33c8d9
hex9a70706

161941254 has 8 divisors (see below), whose sum is σ = 323882520. Its totient is φ = 53980416.

The previous prime is 161941177. The next prime is 161941259. The reversal of 161941254 is 452149161.

161941254 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

161941254 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161941259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13495099 + ... + 13495110.

It is an arithmetic number, because the mean of its divisors is an integer number (40485315).

Almost surely, 2161941254 is an apocalyptic number.

161941254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

161941254 is a wasteful number, since it uses less digits than its factorization.

161941254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26990214.

The product of its digits is 8640, while the sum is 33.

The square root of 161941254 is about 12725.6140912728. The cubic root of 161941254 is about 545.0702757062.

The spelling of 161941254 in words is "one hundred sixty-one million, nine hundred forty-one thousand, two hundred fifty-four".

Divisors: 1 2 3 6 26990209 53980418 80970627 161941254