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85294971 = 3319237229
BaseRepresentation
bin1010001010101…
…11111101111011
312221111102201000
411011113331323
5133313414341
612244100043
72053665246
oct505277573
9187442630
1085294971
1144168413
1224694623
13148954c8
14b48425d
15774c8b6
hex5157f7b

85294971 has 32 divisors (see below), whose sum is σ = 138816000. Its totient is φ = 51521184.

The previous prime is 85294969. The next prime is 85294973. The reversal of 85294971 is 17949258.

It is an interprime number because it is at equal distance from previous prime (85294969) and next prime (85294973).

It is not a de Polignac number, because 85294971 - 21 = 85294969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85294973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8185 + ... + 15413.

It is an arithmetic number, because the mean of its divisors is an integer number (4338000).

Almost surely, 285294971 is an apocalyptic number.

85294971 is a deficient number, since it is larger than the sum of its proper divisors (53521029).

85294971 is a wasteful number, since it uses less digits than its factorization.

85294971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280 (or 7274 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 85294971 is about 9235.5276514122. The cubic root of 85294971 is about 440.1909828629.

The spelling of 85294971 in words is "eighty-five million, two hundred ninety-four thousand, nine hundred seventy-one".

Divisors: 1 3 9 19 23 27 57 69 171 207 437 513 621 1311 3933 7229 11799 21687 65061 137351 166267 195183 412053 498801 1236159 1496403 3159073 3708477 4489209 9477219 28431657 85294971