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86468487 = 3721983373
BaseRepresentation
bin1010010011101…
…10011110000111
320000201001110120
411021312132013
5134113442422
612325153023
72066653500
oct511663607
9200631416
1086468487
114489a066
1224b5b773
1314bb66b1
14b6abba7
1578d045c
hex5276787

86468487 has 48 divisors (see below), whose sum is σ = 143256960. Its totient is φ = 46122048.

The previous prime is 86468479. The next prime is 86468497. The reversal of 86468487 is 78486468.

It is not a de Polignac number, because 86468487 - 23 = 86468479 is a prime.

It is a Smith number, since the sum of its digits (51) 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 (86468497) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 231633 + ... + 232005.

It is an arithmetic number, because the mean of its divisors is an integer number (2984520).

Almost surely, 286468487 is an apocalyptic number.

86468487 is a deficient number, since it is larger than the sum of its proper divisors (56788473).

86468487 is a wasteful number, since it uses less digits than its factorization.

86468487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 485 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 51.

The square root of 86468487 is about 9298.8433151656. The cubic root of 86468487 is about 442.2005583686.

The spelling of 86468487 in words is "eighty-six million, four hundred sixty-eight thousand, four hundred eighty-seven".

Divisors: 1 3 7 19 21 49 57 83 133 147 249 373 399 581 931 1119 1577 1743 2611 2793 4067 4731 7087 7833 11039 12201 18277 21261 30959 33117 49609 54831 77273 92877 148827 216713 231819 347263 588221 650139 1041789 1516991 1764663 4117547 4550973 12352641 28822829 86468487