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85201089 = 3191148693
BaseRepresentation
bin1010001010000…
…01000011000001
312221022122220220
411011001003001
5133302413324
612242053253
72053124451
oct505010301
9187278826
1085201089
1144103926
122464a229
131486185c
14b45bd61
15772eb79
hex51410c1

85201089 has 8 divisors (see below), whose sum is σ = 114196992. Its totient is φ = 56502960.

The previous prime is 85201087. The next prime is 85201091. The reversal of 85201089 is 98010258.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85201087) and next prime (85201091).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85201089 - 21 = 85201087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85201087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73774 + ... + 74919.

It is an arithmetic number, because the mean of its divisors is an integer number (14274624).

Almost surely, 285201089 is an apocalyptic number.

It is an amenable number.

85201089 is a deficient number, since it is larger than the sum of its proper divisors (28995903).

85201089 is a wasteful number, since it uses less digits than its factorization.

85201089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148887.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 85201089 is about 9230.4435971409. The cubic root of 85201089 is about 440.0294212420.

The spelling of 85201089 in words is "eighty-five million, two hundred one thousand, eighty-nine".

Divisors: 1 3 191 573 148693 446079 28400363 85201089