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141938 = 270969
BaseRepresentation
bin100010101001110010
321012200222
4202221302
514020223
63013042
71130546
oct425162
9235628
10141938
1197705
126a182
134c7b4
1439a26
152c0c8
hex22a72

141938 has 4 divisors (see below), whose sum is σ = 212910. Its totient is φ = 70968.

The previous prime is 141937. The next prime is 141941. The reversal of 141938 is 839141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839141 = 1038147.

It can be written as a sum of positive squares in only one way, i.e., 139129 + 2809 = 373^2 + 53^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (141931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35483 + ... + 35486.

2141938 is an apocalyptic number.

141938 is a deficient number, since it is larger than the sum of its proper divisors (70972).

141938 is an equidigital number, since it uses as much as digits as its factorization.

141938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70971.

The product of its digits is 864, while the sum is 26.

The square root of 141938 is about 376.7465991884. The cubic root of 141938 is about 52.1634403900.

The spelling of 141938 in words is "one hundred forty-one thousand, nine hundred thirty-eight".

Divisors: 1 2 70969 141938