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972302389 is a prime number
BaseRepresentation
bin111001111101000…
…010100000110101
32111202120002010121
4321331002200311
53442402134024
6240251451541
733044301562
oct7175024065
92452502117
10972302389
114599261a3
12231756bb1
13126590176
14931bb869
155a55e8e4
hex39f42835

972302389 has 2 divisors, whose sum is σ = 972302390. Its totient is φ = 972302388.

The previous prime is 972302381. The next prime is 972302417. The reversal of 972302389 is 983203279.

It is a happy number.

972302389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 760104900 + 212197489 = 27570^2 + 14567^2 .

It is a cyclic number.

It is not a de Polignac number, because 972302389 - 23 = 972302381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972302381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486151194 + 486151195.

It is an arithmetic number, because the mean of its divisors is an integer number (486151195).

Almost surely, 2972302389 is an apocalyptic number.

It is an amenable number.

972302389 is a deficient number, since it is larger than the sum of its proper divisors (1).

972302389 is an equidigital number, since it uses as much as digits as its factorization.

972302389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 972302389 is about 31181.7637249723. The cubic root of 972302389 is about 990.6808869066.

The spelling of 972302389 in words is "nine hundred seventy-two million, three hundred two thousand, three hundred eighty-nine".