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85400102 = 2311377421
BaseRepresentation
bin1010001011100…
…01101000100110
312221200202220202
411011301220212
5133330300402
612250230502
72054613614
oct505615046
9187622822
1085400102
114422a3a7
1224725432
1314901308
14b4b06b4
15776db02
hex5171a26

85400102 has 8 divisors (see below), whose sum is σ = 132232512. Its totient is φ = 41322600.

The previous prime is 85400087. The next prime is 85400113. The reversal of 85400102 is 20100458.

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

It is a super-2 number, since 2×854001022 = 14586354843220808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688649 + ... + 688772.

It is an arithmetic number, because the mean of its divisors is an integer number (16529064).

Almost surely, 285400102 is an apocalyptic number.

85400102 is a deficient number, since it is larger than the sum of its proper divisors (46832410).

85400102 is a wasteful number, since it uses less digits than its factorization.

85400102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377454.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 85400102 is about 9241.2175604733. The cubic root of 85400102 is about 440.3717622506.

The spelling of 85400102 in words is "eighty-five million, four hundred thousand, one hundred two".

Divisors: 1 2 31 62 1377421 2754842 42700051 85400102