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85476923 = 7241157271
BaseRepresentation
bin1010001100001…
…00011000111011
312221211200021222
411012010120323
5133340230143
612252022255
72055353600
oct506043073
9187750258
1085476923
1144282094
122476198b
131492a27c
14b4d06a7
157786768
hex518463b

85476923 has 24 divisors (see below), whose sum is σ = 102884544. Its totient is φ = 70761600.

The previous prime is 85476917. The next prime is 85476931. The reversal of 85476923 is 32967458.

It is not a de Polignac number, because 85476923 - 28 = 85476667 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (85476943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315278 + ... + 315548.

It is an arithmetic number, because the mean of its divisors is an integer number (4286856).

Almost surely, 285476923 is an apocalyptic number.

85476923 is a deficient number, since it is larger than the sum of its proper divisors (17407621).

85476923 is a wasteful number, since it uses less digits than its factorization.

85476923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 476 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 85476923 is about 9245.3730589955. The cubic root of 85476923 is about 440.5037670127.

It can be divided in two parts, 8547 and 6923, that multiplied together give a triangular number (59170881 = T10878).

The spelling of 85476923 in words is "eighty-five million, four hundred seventy-six thousand, nine hundred twenty-three".

Divisors: 1 7 41 49 157 271 287 1099 1897 2009 6437 7693 11111 13279 42547 45059 77777 297829 315413 544439 1744427 2084803 12210989 85476923