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85469299 = 645113249
BaseRepresentation
bin1010001100000…
…10100001110011
312221211021211121
411012002201303
5133340004144
612251523111
72055322426
oct506024163
9187737747
1085469299
1144277393
1224759497
1314926966
14b4cb9bd
157784384
hex5182873

85469299 has 4 divisors (see below), whose sum is σ = 85489000. Its totient is φ = 85449600.

The previous prime is 85469291. The next prime is 85469323. The reversal of 85469299 is 99296458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99296458 = 249648229.

It is a cyclic number.

It is not a de Polignac number, because 85469299 - 23 = 85469291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85469291) 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, 174 + ... + 13075.

It is an arithmetic number, because the mean of its divisors is an integer number (21372250).

Almost surely, 285469299 is an apocalyptic number.

85469299 is a deficient number, since it is larger than the sum of its proper divisors (19701).

85469299 is a wasteful number, since it uses less digits than its factorization.

85469299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19700.

The product of its digits is 1399680, while the sum is 52.

The square root of 85469299 is about 9244.9607354493. The cubic root of 85469299 is about 440.4906699082.

The spelling of 85469299 in words is "eighty-five million, four hundred sixty-nine thousand, two hundred ninety-nine".

Divisors: 1 6451 13249 85469299