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141020 = 22511641
BaseRepresentation
bin100010011011011100
321011102222
4202123130
514003040
63004512
71125065
oct423334
9234388
10141020
1196a50
1269738
134c259
143956c
152bbb5
hex226dc

141020 has 24 divisors (see below), whose sum is σ = 323568. Its totient is φ = 51200.

The previous prime is 140989. The next prime is 141023. The reversal of 141020 is 20141.

Adding to 141020 its reverse (20141), we get a palindrome (161161).

141020 = T235 + T236 + ... + T239.

141020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140989 and 141007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141023) 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, 101 + ... + 540.

It is an arithmetic number, because the mean of its divisors is an integer number (13482).

2141020 is an apocalyptic number.

141020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141020 is an abundant number, since it is smaller than the sum of its proper divisors (182548).

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

141020 is a wasteful number, since it uses less digits than its factorization.

141020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 141020 is about 375.5262973481. The cubic root of 141020 is about 52.0507394291.

The spelling of 141020 in words is "one hundred forty-one thousand, twenty", and thus it is an iban number.

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 641 1282 2564 3205 6410 7051 12820 14102 28204 35255 70510 141020