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164430434 = 2711745031
BaseRepresentation
bin10011100110100…
…00001001100010
3102110101221011002
421303100021202
5314043233214
624152152002
74034431010
oct1163201142
9373357132
10164430434
11848a9023
1247098602
13280b221c
1417ba38b0
15e6801de
hex9cd0262

164430434 has 8 divisors (see below), whose sum is σ = 281880768. Its totient is φ = 70470180.

The previous prime is 164430421. The next prime is 164430439. The reversal of 164430434 is 434034461.

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

It is a super-3 number, since 3×1644304343 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164430397 and 164430406.

It is not an unprimeable number, because it can be changed into a prime (164430439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5872502 + ... + 5872529.

It is an arithmetic number, because the mean of its divisors is an integer number (35235096).

Almost surely, 2164430434 is an apocalyptic number.

164430434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

164430434 is a deficient number, since it is larger than the sum of its proper divisors (117450334).

164430434 is a wasteful number, since it uses less digits than its factorization.

164430434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11745040.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 164430434 is about 12823.0430865688. The cubic root of 164430434 is about 547.8488247815.

Adding to 164430434 its reverse (434034461), we get a palindrome (598464895).

The spelling of 164430434 in words is "one hundred sixty-four million, four hundred thirty thousand, four hundred thirty-four".

Divisors: 1 2 7 14 11745031 23490062 82215217 164430434