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298042 = 2149021
BaseRepresentation
bin1001000110000111010
3120010211121
41020300322
534014132
610215454
72350633
oct1106072
9503747
10298042
11193a18
1212458a
13a5874
147a88a
155d497
hex48c3a

298042 has 4 divisors (see below), whose sum is σ = 447066. Its totient is φ = 149020.

The previous prime is 298031. The next prime is 298043. The reversal of 298042 is 240892.

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., 152881 + 145161 = 391^2 + 381^2 .

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 297998 and 298016.

It is not an unprimeable number, because it can be changed into a prime (298043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74509 + ... + 74512.

2298042 is an apocalyptic number.

298042 is a deficient number, since it is larger than the sum of its proper divisors (149024).

298042 is a wasteful number, since it uses less digits than its factorization.

298042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149023.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 298042 is about 545.9322302264. The cubic root of 298042 is about 66.7973381515.

The spelling of 298042 in words is "two hundred ninety-eight thousand, forty-two".

Divisors: 1 2 149021 298042