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970781076 = 223226966141
BaseRepresentation
bin111001110111001…
…111000110010100
32111122200210021200
4321313033012110
53442004443301
6240155112500
733025334346
oct7167170624
92448623250
10970781076
11458a87211
12231142730
13126179895
1492d03296
155a35dc86
hex39dcf194

970781076 has 18 divisors (see below), whose sum is σ = 2453918922. Its totient is φ = 323593680.

The previous prime is 970781057. The next prime is 970781087. The reversal of 970781076 is 670187079.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 561690000 + 409091076 = 23700^2 + 20226^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 13483035 + ... + 13483106.

It is an arithmetic number, because the mean of its divisors is an integer number (136328829).

Almost surely, 2970781076 is an apocalyptic number.

It is an amenable number.

970781076 is an abundant number, since it is smaller than the sum of its proper divisors (1483137846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

970781076 is a wasteful number, since it uses less digits than its factorization.

970781076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26966151 (or 26966146 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The square root of 970781076 is about 31157.3599009929. The cubic root of 970781076 is about 990.1639275533.

The spelling of 970781076 in words is "nine hundred seventy million, seven hundred eighty-one thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 26966141 53932282 80898423 107864564 161796846 242695269 323593692 485390538 970781076