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164148454 = 282074227
BaseRepresentation
bin10011100100010…
…11010011100110
3102102212121100101
421302023103212
5314010222304
624142134314
74032144631
oct1162132346
9372777311
10164148454
1184726188
1246b8139a
1328013a82
1417b2cc18
15e6268a4
hex9c8b4e6

164148454 has 4 divisors (see below), whose sum is σ = 246222684. Its totient is φ = 82074226.

The previous prime is 164148451. The next prime is 164148463. The reversal of 164148454 is 454841461.

164148454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454841461 = 806956369.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164148451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41037112 + ... + 41037115.

It is an arithmetic number, because the mean of its divisors is an integer number (61555671).

Almost surely, 2164148454 is an apocalyptic number.

164148454 is a deficient number, since it is larger than the sum of its proper divisors (82074230).

164148454 is an equidigital number, since it uses as much as digits as its factorization.

164148454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82074229.

The product of its digits is 61440, while the sum is 37.

The square root of 164148454 is about 12812.0433186904. The cubic root of 164148454 is about 547.5354788904.

The spelling of 164148454 in words is "one hundred sixty-four million, one hundred forty-eight thousand, four hundred fifty-four".

Divisors: 1 2 82074227 164148454