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141993 = 341753
BaseRepresentation
bin100010101010101001
321012210000
4202222221
514020433
63013213
71130655
oct425251
9235700
10141993
1197755
126a209
134c827
1439a65
152c113
hex22aa9

141993 has 10 divisors (see below), whose sum is σ = 212234. Its totient is φ = 94608.

The previous prime is 141991. The next prime is 142007. The reversal of 141993 is 399141.

It can be written as a sum of positive squares in only one way, i.e., 82944 + 59049 = 288^2 + 243^2 .

It is not a de Polignac number, because 141993 - 21 = 141991 is a prime.

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

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (141991) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 796 + ... + 957.

2141993 is an apocalyptic number.

It is an amenable number.

141993 is a deficient number, since it is larger than the sum of its proper divisors (70241).

141993 is an equidigital number, since it uses as much as digits as its factorization.

141993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765 (or 1756 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 141993 is about 376.8195854782. The cubic root of 141993 is about 52.1701771782.

The spelling of 141993 in words is "one hundred forty-one thousand, nine hundred ninety-three".

Divisors: 1 3 9 27 81 1753 5259 15777 47331 141993