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29458081 = 34998419
BaseRepresentation
bin111000001011…
…1111010100001
32001102121220001
41300113322201
530020124311
62531220001
7505250422
oct160277241
961377801
1029458081
11156a0324
129a47601
136145423
143cab649
1528bd4c1
hex1c17ea1

29458081 has 4 divisors (see below), whose sum is σ = 29470000. Its totient is φ = 29446164.

The previous prime is 29458057. The next prime is 29458087. The reversal of 29458081 is 18085492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 29458081 - 217 = 29327009 is a prime.

It is a super-2 number, since 2×294580812 = 1735557072405122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29458081.

It is not an unprimeable number, because it can be changed into a prime (29458087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711 + ... + 7708.

It is an arithmetic number, because the mean of its divisors is an integer number (7367500).

Almost surely, 229458081 is an apocalyptic number.

It is an amenable number.

29458081 is a deficient number, since it is larger than the sum of its proper divisors (11919).

29458081 is an equidigital number, since it uses as much as digits as its factorization.

29458081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11918.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 29458081 is about 5427.5299170064. The cubic root of 29458081 is about 308.8409056626.

It can be divided in two parts, 2945 and 8081, that added together give a triangular number (11026 = T148).

The spelling of 29458081 in words is "twenty-nine million, four hundred fifty-eight thousand, eighty-one".

Divisors: 1 3499 8419 29458081