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85058988 = 22374323549
BaseRepresentation
bin1010001000111…
…10010110101100
312221001102222220
411010132112230
5133233341423
612235035340
72051663250
oct504362654
9187042886
1085058988
1144017093
122459bb50
1314811c81
14b422260
1577029e3
hex511e5ac

85058988 has 48 divisors (see below), whose sum is σ = 232108800. Its totient is φ = 23736384.

The previous prime is 85058983. The next prime is 85058993. The reversal of 85058988 is 88985058.

It is an interprime number because it is at equal distance from previous prime (85058983) and next prime (85058993).

It is a self number, because there is not a number n which added to its sum of digits gives 85058988.

It is not an unprimeable number, because it can be changed into a prime (85058983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8163 + ... + 15386.

It is an arithmetic number, because the mean of its divisors is an integer number (4835600).

Almost surely, 285058988 is an apocalyptic number.

It is an amenable number.

85058988 is an abundant number, since it is smaller than the sum of its proper divisors (147049812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85058988 is a wasteful number, since it uses less digits than its factorization.

85058988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23606 (or 23604 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 51.

The square root of 85058988 is about 9222.7429759264. The cubic root of 85058988 is about 439.7846535747.

The spelling of 85058988 in words is "eighty-five million, fifty-eight thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 43 84 86 129 172 258 301 516 602 903 1204 1806 3612 23549 47098 70647 94196 141294 164843 282588 329686 494529 659372 989058 1012607 1978116 2025214 3037821 4050428 6075642 7088249 12151284 14176498 21264747 28352996 42529494 85058988