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980308 = 227157223
BaseRepresentation
bin11101111010101010100
31211210201201
43233111110
5222332213
633002244
711222020
oct3572524
91753651
10980308
1160a57a
123b3384
13284284
141b7380
151456dd
hexef554

980308 has 24 divisors (see below), whose sum is σ = 1981952. Its totient is φ = 415584.

The previous prime is 980299. The next prime is 980321. The reversal of 980308 is 803089.

It is a super-2 number, since 2×9803082 = 1922007549728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a plaindrome in base 15.

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

980308 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4285 + ... + 4507.

2980308 is an apocalyptic number.

It is an amenable number.

980308 is an abundant number, since it is smaller than the sum of its proper divisors (1001644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

980308 is a wasteful number, since it uses less digits than its factorization.

980308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 980308 is about 990.1050449321. The cubic root of 980308 is about 99.3392436263.

The spelling of 980308 in words is "nine hundred eighty thousand, three hundred eight".

Divisors: 1 2 4 7 14 28 157 223 314 446 628 892 1099 1561 2198 3122 4396 6244 35011 70022 140044 245077 490154 980308