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980242 = 2490121
BaseRepresentation
bin11101111010100010010
31211210122021
43233110102
5222331432
633002054
711221564
oct3572422
91753567
10980242
1160a51a
123b332a
13284233
141b7334
15145697
hexef512

980242 has 4 divisors (see below), whose sum is σ = 1470366. Its totient is φ = 490120.

The previous prime is 980219. The next prime is 980249. The reversal of 980242 is 242089.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242089 = 1092221.

It can be written as a sum of positive squares in only one way, i.e., 505521 + 474721 = 711^2 + 689^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (980249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245059 + ... + 245062.

2980242 is an apocalyptic number.

980242 is a deficient number, since it is larger than the sum of its proper divisors (490124).

980242 is a wasteful number, since it uses less digits than its factorization.

980242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490123.

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

The square root of 980242 is about 990.0717145743. The cubic root of 980242 is about 99.3370142123.

The spelling of 980242 in words is "nine hundred eighty thousand, two hundred forty-two".

Divisors: 1 2 490121 980242