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164938 = 282469
BaseRepresentation
bin101000010001001010
322101020211
4220101022
520234223
63311334
71254604
oct502112
9271224
10164938
11102a14
127b54a
135a0c7
1444174
1533d0d
hex2844a

164938 has 4 divisors (see below), whose sum is σ = 247410. Its totient is φ = 82468.

The previous prime is 164911. The next prime is 164953. The reversal of 164938 is 839461.

164938 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839461 = 7119923.

It can be written as a sum of positive squares in only one way, i.e., 88209 + 76729 = 297^2 + 277^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41233 + ... + 41236.

2164938 is an apocalyptic number.

164938 is a deficient number, since it is larger than the sum of its proper divisors (82472).

164938 is an equidigital number, since it uses as much as digits as its factorization.

164938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82471.

The product of its digits is 5184, while the sum is 31.

The square root of 164938 is about 406.1255963369. The cubic root of 164938 is about 54.8411948050.

The spelling of 164938 in words is "one hundred sixty-four thousand, nine hundred thirty-eight".

Divisors: 1 2 82469 164938