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85001451 = 328333817
BaseRepresentation
bin1010001000100…
…00010011101011
312220221112001220
411010100103223
5133230021301
612233513123
72051333433
oct504202353
9186845056
1085001451
1143a87937
12245727a3
13147c1a22
14b4092c3
1576e0936
hex51104eb

85001451 has 4 divisors (see below), whose sum is σ = 113335272. Its totient is φ = 56667632.

The previous prime is 85001447. The next prime is 85001461. The reversal of 85001451 is 15410058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85001451 - 22 = 85001447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85001431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14166906 + ... + 14166911.

It is an arithmetic number, because the mean of its divisors is an integer number (28333818).

Almost surely, 285001451 is an apocalyptic number.

85001451 is a deficient number, since it is larger than the sum of its proper divisors (28333821).

85001451 is a wasteful number, since it uses less digits than its factorization.

85001451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28333820.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 85001451 is about 9219.6231484806. The cubic root of 85001451 is about 439.6854690839.

The spelling of 85001451 in words is "eighty-five million, one thousand, four hundred fifty-one".

Divisors: 1 3 28333817 85001451