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970748109 = 32107860901
BaseRepresentation
bin111001110111000…
…111000011001101
32111122122010001200
4321313013003031
53442002414414
6240154300113
733025136262
oct7167070315
92448563050
10970748109
11458a64471
12231127639
13126167886
1492cd5269
155a354109
hex39dc70cd

970748109 has 6 divisors (see below), whose sum is σ = 1402191726. Its totient is φ = 647165400.

The previous prime is 970748099. The next prime is 970748111. The reversal of 970748109 is 901847079.

It can be written as a sum of positive squares in only one way, i.e., 888338025 + 82410084 = 29805^2 + 9078^2 .

It is a de Polignac number, because none of the positive numbers 2k-970748109 is a prime.

It is a super-2 number, since 2×9707481092 = 1884703782254151762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (970748179) 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 5 ways as a sum of consecutive naturals, for example, 53930442 + ... + 53930459.

It is an arithmetic number, because the mean of its divisors is an integer number (233698621).

Almost surely, 2970748109 is an apocalyptic number.

It is an amenable number.

970748109 is a deficient number, since it is larger than the sum of its proper divisors (431443617).

970748109 is a wasteful number, since it uses less digits than its factorization.

970748109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107860907 (or 107860904 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 970748109 is about 31156.8308561702. The cubic root of 970748109 is about 990.1527190174.

The spelling of 970748109 in words is "nine hundred seventy million, seven hundred forty-eight thousand, one hundred nine".

Divisors: 1 3 9 107860901 323582703 970748109