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85740192 = 2532463643
BaseRepresentation
bin1010001110001…
…00101010100000
312222100001102200
411013010222200
5133422141232
612301413200
72060531256
oct507045240
9188301380
1085740192
114444196a
122486a200
13149c0055
14b55c5d6
1577d977c
hex51c4aa0

85740192 has 72 divisors (see below), whose sum is σ = 244730304. Its totient is φ = 28473984.

The previous prime is 85740169. The next prime is 85740223. The reversal of 85740192 is 29104758.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133023 + ... + 133665.

It is an arithmetic number, because the mean of its divisors is an integer number (3399032).

Almost surely, 285740192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85740192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122365152).

85740192 is an abundant number, since it is smaller than the sum of its proper divisors (158990112).

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

85740192 is a wasteful number, since it uses less digits than its factorization.

85740192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 85740192 is about 9259.5999913603. The cubic root of 85740192 is about 440.9555541614.

The spelling of 85740192 in words is "eighty-five million, seven hundred forty thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 463 643 926 1286 1389 1852 1929 2572 2778 3704 3858 4167 5144 5556 5787 7408 7716 8334 10288 11112 11574 14816 15432 16668 20576 22224 23148 30864 33336 44448 46296 61728 66672 92592 133344 185184 297709 595418 893127 1190836 1786254 2381672 2679381 3572508 4763344 5358762 7145016 9526688 10717524 14290032 21435048 28580064 42870096 85740192