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971042238 = 232149362059
BaseRepresentation
bin111001111000001…
…110110110111110
32111200012001112100
4321320032312332
53442041322423
6240204445530
733030502635
oct7170166676
92450161470
10971042238
11459145451
122312498a6
1312623b70a
1492d7051c
155a3b1343
hex39e0edbe

971042238 has 24 divisors (see below), whose sum is σ = 2118051000. Its totient is φ = 321507504.

The previous prime is 971042161. The next prime is 971042239. The reversal of 971042238 is 832240179.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971042239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178348 + ... + 183711.

It is an arithmetic number, because the mean of its divisors is an integer number (88252125).

Almost surely, 2971042238 is an apocalyptic number.

971042238 is an abundant number, since it is smaller than the sum of its proper divisors (1147008762).

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

971042238 is a wasteful number, since it uses less digits than its factorization.

971042238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362216 (or 362213 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 971042238 is about 31161.5506353583. The cubic root of 971042238 is about 990.2527117335.

The spelling of 971042238 in words is "nine hundred seventy-one million, forty-two thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 18 149 298 447 894 1341 2682 362059 724118 1086177 2172354 3258531 6517062 53946791 107893582 161840373 323680746 485521119 971042238