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164413019 = 432737997
BaseRepresentation
bin10011100110010…
…11111001011011
3102110101001021002
421303023321123
5314042204034
624151535215
74034326151
oct1163137133
9373331232
10164413019
1184896a31
124708a50b
13280a7314
1417b9b3d1
15e679e7e
hex9ccbe5b

164413019 has 4 divisors (see below), whose sum is σ = 164455344. Its totient is φ = 164370696.

The previous prime is 164413013. The next prime is 164413021. The reversal of 164413019 is 910314461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-164413019 is a prime.

It is a super-3 number, since 3×1644130193 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164412982 and 164413000.

It is not an unprimeable number, because it can be changed into a prime (164413013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14672 + ... + 23325.

It is an arithmetic number, because the mean of its divisors is an integer number (41113836).

Almost surely, 2164413019 is an apocalyptic number.

164413019 is a deficient number, since it is larger than the sum of its proper divisors (42325).

164413019 is an equidigital number, since it uses as much as digits as its factorization.

164413019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42324.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 164413019 is about 12822.3640176061. The cubic root of 164413019 is about 547.8294830171.

The spelling of 164413019 in words is "one hundred sixty-four million, four hundred thirteen thousand, nineteen".

Divisors: 1 4327 37997 164413019