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86973711 = 3112239597
BaseRepresentation
bin1010010111100…
…01110100001111
320001122201111120
411023301310033
5134231124321
612344052023
72104156446
oct513616417
9201581446
1086973711
1145104700
1225164013
1315032646
14b79dd5d
15797eec6
hex52f1d0f

86973711 has 12 divisors (see below), whose sum is σ = 127466136. Its totient is φ = 52711120.

The previous prime is 86973701. The next prime is 86973743. The reversal of 86973711 is 11737968.

It is not a de Polignac number, because 86973711 - 26 = 86973647 is a prime.

It is a super-2 number, since 2×869737112 = 15128852810223042, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86973701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119436 + ... + 120161.

It is an arithmetic number, because the mean of its divisors is an integer number (10622178).

Almost surely, 286973711 is an apocalyptic number.

86973711 is a deficient number, since it is larger than the sum of its proper divisors (40492425).

86973711 is a wasteful number, since it uses less digits than its factorization.

86973711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239622 (or 239611 counting only the distinct ones).

The product of its digits is 63504, while the sum is 42.

The square root of 86973711 is about 9325.9697082931. The cubic root of 86973711 is about 443.0601263280.

The spelling of 86973711 in words is "eighty-six million, nine hundred seventy-three thousand, seven hundred eleven".

Divisors: 1 3 11 33 121 363 239597 718791 2635567 7906701 28991237 86973711