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85320554 = 2113878207
BaseRepresentation
bin1010001010111…
…10001101101010
312221112201210112
411011132031222
5133320224204
612244414322
72054132654
oct505361552
9187481715
1085320554
1144185660
12246a73a2
13148a4047
14b48d6d4
15775526e
hex515e36a

85320554 has 8 divisors (see below), whose sum is σ = 139615488. Its totient is φ = 38782060.

The previous prime is 85320541. The next prime is 85320559. The reversal of 85320554 is 45502358.

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

It is a self number, because there is not a number n which added to its sum of digits gives 85320554.

It is not an unprimeable number, because it can be changed into a prime (85320559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1939082 + ... + 1939125.

It is an arithmetic number, because the mean of its divisors is an integer number (17451936).

Almost surely, 285320554 is an apocalyptic number.

85320554 is a deficient number, since it is larger than the sum of its proper divisors (54294934).

85320554 is a wasteful number, since it uses less digits than its factorization.

85320554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878220.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 85320554 is about 9236.9125794283. The cubic root of 85320554 is about 440.2349881154.

The spelling of 85320554 in words is "eighty-five million, three hundred twenty thousand, five hundred fifty-four".

Divisors: 1 2 11 22 3878207 7756414 42660277 85320554