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85470056 = 2371980329
BaseRepresentation
bin1010001100000…
…10101101101000
312221211022212122
411012002231220
5133340020211
612251530412
72055324560
oct506025550
9187738778
1085470056
1144277a11
1224759a08
13149270c9
14b4cbda0
1577846db
hex5182b68

85470056 has 32 divisors (see below), whose sum is σ = 192792000. Its totient is φ = 34701696.

The previous prime is 85470043. The next prime is 85470071. The reversal of 85470056 is 65007458.

It is a junction number, because it is equal to n+sod(n) for n = 85469998 and 85470025.

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 in 7 ways as a sum of consecutive naturals, for example, 39101 + ... + 41228.

It is an arithmetic number, because the mean of its divisors is an integer number (6024750).

Almost surely, 285470056 is an apocalyptic number.

It is an amenable number.

85470056 is an abundant number, since it is smaller than the sum of its proper divisors (107321944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85470056 is a wasteful number, since it uses less digits than its factorization.

85470056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80361 (or 80357 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 85470056 is about 9245.0016765818. The cubic root of 85470056 is about 440.4919703769.

The spelling of 85470056 in words is "eighty-five million, four hundred seventy thousand, fifty-six".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 80329 160658 321316 562303 642632 1124606 1526251 2249212 3052502 4498424 6105004 10683757 12210008 21367514 42735028 85470056