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122938 = 261469
BaseRepresentation
bin11110000000111010
320020122021
4132000322
512413223
62345054
71021264
oct360072
9206567
10122938
1184402
125b18a
1343c5a
1432b34
152665d
hex1e03a

122938 has 4 divisors (see below), whose sum is σ = 184410. Its totient is φ = 61468.

The previous prime is 122929. The next prime is 122939. The reversal of 122938 is 839221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80089 + 42849 = 283^2 + 207^2 .

It is a super-2 number, since 2×1229382 = 30227503688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30733 + ... + 30736.

2122938 is an apocalyptic number.

122938 is a deficient number, since it is larger than the sum of its proper divisors (61472).

122938 is an equidigital number, since it uses as much as digits as its factorization.

122938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61471.

The product of its digits is 864, while the sum is 25.

The square root of 122938 is about 350.6251559714. The cubic root of 122938 is about 49.7235408912.

The spelling of 122938 in words is "one hundred twenty-two thousand, nine hundred thirty-eight".

Divisors: 1 2 61469 122938