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85620403 = 1119894603
BaseRepresentation
bin1010001101001…
…11011010110011
312222002222010001
411012213122303
5133404323103
612255050431
72056522111
oct506473263
9188088101
1085620403
114436a970
1224810a17
131497a67b
14b52aab1
1577b401d
hex51a76b3

85620403 has 16 divisors (see below), whose sum is σ = 99446400. Its totient is φ = 72895680.

The previous prime is 85620401. The next prime is 85620413. The reversal of 85620403 is 30402658.

It is not a de Polignac number, because 85620403 - 21 = 85620401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85620401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16300 + ... + 20902.

It is an arithmetic number, because the mean of its divisors is an integer number (6215400).

Almost surely, 285620403 is an apocalyptic number.

85620403 is a deficient number, since it is larger than the sum of its proper divisors (13825997).

85620403 is a wasteful number, since it uses less digits than its factorization.

85620403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 85620403 is about 9253.1293625454. The cubic root of 85620403 is about 440.7501030885.

The spelling of 85620403 in words is "eighty-five million, six hundred twenty thousand, four hundred three".

Divisors: 1 11 19 89 209 979 1691 4603 18601 50633 87457 409667 962027 4506337 7783673 85620403