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85176404 = 2221294101
BaseRepresentation
bin1010001001110…
…11000001010100
312221021102001122
411010323001110
5133301121104
612241343112
72052662465
oct504730124
9187242048
1085176404
1144097325
1224637a98
1314853551
14b452d6c
1577276be
hex513b054

85176404 has 6 divisors (see below), whose sum is σ = 149058714. Its totient is φ = 42588200.

The previous prime is 85176391. The next prime is 85176419. The reversal of 85176404 is 40467158.

It can be written as a sum of positive squares in only one way, i.e., 61653904 + 23522500 = 7852^2 + 4850^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10647047 + ... + 10647054.

It is an arithmetic number, because the mean of its divisors is an integer number (24843119).

Almost surely, 285176404 is an apocalyptic number.

It is an amenable number.

85176404 is a deficient number, since it is larger than the sum of its proper divisors (63882310).

85176404 is a wasteful number, since it uses less digits than its factorization.

85176404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21294105 (or 21294103 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 85176404 is about 9229.1063489376. The cubic root of 85176404 is about 439.9869210988.

The spelling of 85176404 in words is "eighty-five million, one hundred seventy-six thousand, four hundred four".

Divisors: 1 2 4 21294101 42588202 85176404