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980031 = 31321933
BaseRepresentation
bin11101111010000111111
31211210100110
43233100333
5222330111
633001103
711221143
oct3572077
91753313
10980031
1160a348
123b3193
13284100
141b7223
151455a6
hexef43f

980031 has 12 divisors (see below), whose sum is σ = 1415688. Its totient is φ = 602784.

The previous prime is 980027. The next prime is 980047. The reversal of 980031 is 130089.

It is not a de Polignac number, because 980031 - 22 = 980027 is a prime.

It is a super-2 number, since 2×9800312 = 1920921521922, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980031.

It is not an unprimeable number, because it can be changed into a prime (980071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460 + ... + 1473.

It is an arithmetic number, because the mean of its divisors is an integer number (117974).

2980031 is an apocalyptic number.

980031 is a deficient number, since it is larger than the sum of its proper divisors (435657).

980031 is a wasteful number, since it uses less digits than its factorization.

980031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962 (or 1949 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 980031 is about 989.9651509018. The cubic root of 980031 is about 99.3298861718.

The spelling of 980031 in words is "nine hundred eighty thousand, thirty-one".

Divisors: 1 3 13 39 169 507 1933 5799 25129 75387 326677 980031