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85451330 = 2526332491
BaseRepresentation
bin1010001011111…
…10001001000010
312221210101012002
411011332021002
5133333420310
612251304002
72055216146
oct505761102
9187711162
1085451330
1144264938
122474b002
131491b723
14b4c5226
15777dda5
hex517e242

85451330 has 16 divisors (see below), whose sum is σ = 154401984. Its totient is φ = 34049520.

The previous prime is 85451323. The next prime is 85451357. The reversal of 85451330 is 3315458.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85451293 and 85451302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13616 + ... + 18875.

It is an arithmetic number, because the mean of its divisors is an integer number (9650124).

Almost surely, 285451330 is an apocalyptic number.

85451330 is a deficient number, since it is larger than the sum of its proper divisors (68950654).

85451330 is a wasteful number, since it uses less digits than its factorization.

85451330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32761.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 85451330 is about 9243.9888576307. The cubic root of 85451330 is about 440.4597982709.

Adding to 85451330 its reverse (3315458), we get a palindrome (88766788).

The spelling of 85451330 in words is "eighty-five million, four hundred fifty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 263 526 1315 2630 32491 64982 162455 324910 8545133 17090266 42725665 85451330