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85276505 = 5173132363
BaseRepresentation
bin1010001010100…
…11011101011001
312221110111101002
411011103131121
5133312322010
612243434345
72053560356
oct505233531
9187414332
1085276505
1144155556
12246859b5
1314889c92
14b47b62d
1577471a5
hex5153759

85276505 has 16 divisors (see below), whose sum is σ = 111849984. Its totient is φ = 62135040.

The previous prime is 85276489. The next prime is 85276531. The reversal of 85276505 is 50567258.

It is not a de Polignac number, because 85276505 - 24 = 85276489 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13547 + ... + 18816.

It is an arithmetic number, because the mean of its divisors is an integer number (6990624).

Almost surely, 285276505 is an apocalyptic number.

85276505 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

85276505 is a deficient number, since it is larger than the sum of its proper divisors (26573479).

85276505 is a wasteful number, since it uses less digits than its factorization.

85276505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32416.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 85276505 is about 9234.5278709851. The cubic root of 85276505 is about 440.1592140756.

The spelling of 85276505 in words is "eighty-five million, two hundred seventy-six thousand, five hundred five".

Divisors: 1 5 17 31 85 155 527 2635 32363 161815 550171 1003253 2750855 5016265 17055301 85276505