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27385020 = 22335134783
BaseRepresentation
bin110100001110…
…1110010111100
31220112022012000
41220131302330
524002310040
62414542300
7451524465
oct150356274
956468160
1027385020
1114504853
129207990
13589a970
1438cbd6c
15260e130
hex1a1dcbc

27385020 has 192 divisors, whose sum is σ = 94832640. Its totient is φ = 6518016.

The previous prime is 27385013. The next prime is 27385073. The reversal of 27385020 is 2058372.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 329899 + ... + 329981.

It is an arithmetic number, because the mean of its divisors is an integer number (493920).

Almost surely, 227385020 is an apocalyptic number.

27385020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27385020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47416320).

27385020 is an abundant number, since it is smaller than the sum of its proper divisors (67447620).

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

27385020 is a wasteful number, since it uses less digits than its factorization.

27385020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 27385020 is about 5233.0698447470. The cubic root of 27385020 is about 301.4192749403.

The spelling of 27385020 in words is "twenty-seven million, three hundred eighty-five thousand, twenty".