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70330389 = 3231019281
BaseRepresentation
bin1000011000100…
…10100000010101
311220100011011020
410030102200111
5121001033024
610551231353
71512540603
oct414224025
9156304136
1070330389
1136777298
121b678559
131175601c
1494aa873
156293979
hex4312815

70330389 has 8 divisors (see below), whose sum is σ = 97851072. Its totient is φ = 44848320.

The previous prime is 70330373. The next prime is 70330391. The reversal of 70330389 is 98303307.

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

It is not a de Polignac number, because 70330389 - 24 = 70330373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70330489) 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, 509572 + ... + 509709.

It is an arithmetic number, because the mean of its divisors is an integer number (12231384).

Almost surely, 270330389 is an apocalyptic number.

It is an amenable number.

70330389 is a deficient number, since it is larger than the sum of its proper divisors (27520683).

70330389 is a wasteful number, since it uses less digits than its factorization.

70330389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019307.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 70330389 is about 8386.3215416534. The cubic root of 70330389 is about 412.7759065076.

The spelling of 70330389 in words is "seventy million, three hundred thirty thousand, three hundred eighty-nine".

Divisors: 1 3 23 69 1019281 3057843 23443463 70330389