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1016081 = 11711301
BaseRepresentation
bin11111000000100010001
31220121210122
43320010101
5230003311
633440025
711431223
oct3700421
91817718
101016081
11634440
12410015
13297641
141c6413
151510db
hexf8111

1016081 has 8 divisors (see below), whose sum is σ = 1124928. Its totient is φ = 910000.

The previous prime is 1016069. The next prime is 1016083. The reversal of 1016081 is 1806101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1016081 - 210 = 1015057 is a prime.

It is a super-2 number, since 2×10160812 = 2064841197122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1016083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131 + ... + 1431.

It is an arithmetic number, because the mean of its divisors is an integer number (140616).

21016081 is an apocalyptic number.

1016081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1016081 is a deficient number, since it is larger than the sum of its proper divisors (108847).

1016081 is a wasteful number, since it uses less digits than its factorization.

1016081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 1016081 is about 1008.0084325044. The cubic root of 1016081 is about 100.5331854139.

Subtracting from 1016081 its sum of digits (17), we obtain a square (1016064 = 10082).

The spelling of 1016081 in words is "one million, sixteen thousand, eighty-one".

Divisors: 1 11 71 781 1301 14311 92371 1016081