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729141 = 3734721
BaseRepresentation
bin10110010000000110101
31101001012020
42302000311
5141313031
623343353
76124530
oct2620065
91331166
10729141
114588a6
122b1b59
131c6b5a
1414da17
15e6096
hexb2035

729141 has 8 divisors (see below), whose sum is σ = 1111104. Its totient is φ = 416640.

The previous prime is 729139. The next prime is 729143. The reversal of 729141 is 141927.

729141 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (729139) and next prime (729143).

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

It is not a de Polignac number, because 729141 - 21 = 729139 is a prime.

729141 is strictly pandigital in base 7.

It is a Curzon number.

729141 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17340 + ... + 17381.

It is an arithmetic number, because the mean of its divisors is an integer number (138888).

2729141 is an apocalyptic number.

It is an amenable number.

729141 is a deficient number, since it is larger than the sum of its proper divisors (381963).

729141 is a wasteful number, since it uses less digits than its factorization.

729141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34731.

The product of its digits is 504, while the sum is 24.

The square root of 729141 is about 853.8975348366. The cubic root of 729141 is about 90.0058020951.

The spelling of 729141 in words is "seven hundred twenty-nine thousand, one hundred forty-one".

Divisors: 1 3 7 21 34721 104163 243047 729141