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70329471 = 323443157
BaseRepresentation
bin1000011000100…
…10010001111111
311220100002220020
410030102101333
5121001020341
610551223223
71512535122
oct414222177
9156302806
1070329471
1136776633
121b677b13
1311755794
1494aa3b9
156293566
hex431247f

70329471 has 4 divisors (see below), whose sum is σ = 93772632. Its totient is φ = 46886312.

The previous prime is 70329451. The next prime is 70329487. The reversal of 70329471 is 17492307.

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

It is a cyclic number.

It is not a de Polignac number, because 70329471 - 25 = 70329439 is a prime.

It is a super-3 number, since 3×703294713 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70329451) 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, 11721576 + ... + 11721581.

It is an arithmetic number, because the mean of its divisors is an integer number (23443158).

Almost surely, 270329471 is an apocalyptic number.

70329471 is a deficient number, since it is larger than the sum of its proper divisors (23443161).

70329471 is a wasteful number, since it uses less digits than its factorization.

70329471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23443160.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 70329471 is about 8386.2668094928. The cubic root of 70329471 is about 412.7741105560.

The spelling of 70329471 in words is "seventy million, three hundred twenty-nine thousand, four hundred seventy-one".

Divisors: 1 3 23443157 70329471