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164094141 = 31033671447
BaseRepresentation
bin10011100011111…
…10000010111101
3102102202211211210
421301332002331
5314002003031
624141035033
74031530401
oct1161760275
9372684753
10164094141
11846993a2
1246b55a79
1327cc5133
1417b17101
15e615746
hex9c7e0bd

164094141 has 16 divisors (see below), whose sum is σ = 221671424. Its totient is φ = 107964144.

The previous prime is 164094109. The next prime is 164094157. The reversal of 164094141 is 141490461.

It is not a de Polignac number, because 164094141 - 25 = 164094109 is a prime.

It is a super-2 number, since 2×1640941412 = 53853774221055762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 164094099 and 164094108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164094181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112680 + ... + 114126.

It is an arithmetic number, because the mean of its divisors is an integer number (13854464).

Almost surely, 2164094141 is an apocalyptic number.

It is an amenable number.

164094141 is a deficient number, since it is larger than the sum of its proper divisors (57577283).

164094141 is a wasteful number, since it uses less digits than its factorization.

164094141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 164094141 is about 12809.9235360716. The cubic root of 164094141 is about 547.4750832054.

The spelling of 164094141 in words is "one hundred sixty-four million, ninety-four thousand, one hundred forty-one".

Divisors: 1 3 103 309 367 1101 1447 4341 37801 113403 149041 447123 531049 1593147 54698047 164094141