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141540 = 22357337
BaseRepresentation
bin100010100011100100
321012011020
4202203210
514012130
63011140
71126440
oct424344
9235136
10141540
1197383
1269ab0
134c569
1439820
152be10
hex228e4

141540 has 48 divisors (see below), whose sum is σ = 454272. Its totient is φ = 32256.

The previous prime is 141539. The next prime is 141551. The reversal of 141540 is 45141.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252 + ... + 588.

It is an arithmetic number, because the mean of its divisors is an integer number (9464).

2141540 is an apocalyptic number.

141540 is a gapful number since it is divisible by the number (10) 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 141540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227136).

141540 is an abundant number, since it is smaller than the sum of its proper divisors (312732).

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

141540 is a wasteful number, since it uses less digits than its factorization.

141540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 141540 is about 376.2180218969. The cubic root of 141540 is about 52.1146386021.

Adding to 141540 its reverse (45141), we get a palindrome (186681).

The spelling of 141540 in words is "one hundred forty-one thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 337 420 674 1011 1348 1685 2022 2359 3370 4044 4718 5055 6740 7077 9436 10110 11795 14154 20220 23590 28308 35385 47180 70770 141540