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970705421 = 71916694373
BaseRepresentation
bin111001110110111…
…100101000001101
32111122112221111122
4321312330220031
53442000033141
6240153330325
733024600650
oct7166745015
92448487448
10970705421
11458a35394
122311069a5
1312615130a
1492cc3897
155a34664b
hex39dbca0d

970705421 has 16 divisors (see below), whose sum is σ = 1168732800. Its totient is φ = 787589568.

The previous prime is 970705403. The next prime is 970705427. The reversal of 970705421 is 124507079.

It is a cyclic number.

It is not a de Polignac number, because 970705421 - 218 = 970443277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (970705427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219791 + ... + 224163.

It is an arithmetic number, because the mean of its divisors is an integer number (73045800).

Almost surely, 2970705421 is an apocalyptic number.

It is an amenable number.

970705421 is a deficient number, since it is larger than the sum of its proper divisors (198027379).

970705421 is a wasteful number, since it uses less digits than its factorization.

970705421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 970705421 is about 31156.1457982209. The cubic root of 970705421 is about 990.1382050364.

The spelling of 970705421 in words is "nine hundred seventy million, seven hundred five thousand, four hundred twenty-one".

Divisors: 1 7 19 133 1669 4373 11683 30611 31711 83087 221977 581609 7298537 51089759 138672203 970705421