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147081 = 3114457
BaseRepresentation
bin100011111010001001
321110202110
4203322021
514201311
63052533
71151544
oct437211
9243673
10147081
11a0560
1271149
1351c3c
143b85b
152d8a6
hex23e89

147081 has 8 divisors (see below), whose sum is σ = 213984. Its totient is φ = 89120.

The previous prime is 147073. The next prime is 147083. The reversal of 147081 is 180741.

147081 = T158 + T159 + ... + T168.

147081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 147081 - 23 = 147073 is a prime.

It is a super-2 number, since 2×1470812 = 43265641122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147083) 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, 2196 + ... + 2261.

It is an arithmetic number, because the mean of its divisors is an integer number (26748).

2147081 is an apocalyptic number.

147081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

147081 is a deficient number, since it is larger than the sum of its proper divisors (66903).

147081 is a wasteful number, since it uses less digits than its factorization.

147081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 147081 is about 383.5114079138. The cubic root of 147081 is about 52.7860127091.

It can be divided in two parts, 1470 and 81, that added together give a palindrome (1551).

The spelling of 147081 in words is "one hundred forty-seven thousand, eighty-one".

Divisors: 1 3 11 33 4457 13371 49027 147081