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13980948 = 2231165079
BaseRepresentation
bin110101010101…
…010100010100
3222022022020220
4311111110110
512034342243
61215354340
7226556532
oct65252424
928268226
1013980948
11798a103
1248229b0
132b86867
141bdd152
151362783
hexd55514

13980948 has 12 divisors (see below), whose sum is σ = 32622240. Its totient is φ = 4660312.

The previous prime is 13980947. The next prime is 13980971. The reversal of 13980948 is 84908931.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13980943) 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 in 3 ways as a sum of consecutive naturals, for example, 582528 + ... + 582551.

It is an arithmetic number, because the mean of its divisors is an integer number (2718520).

Almost surely, 213980948 is an apocalyptic number.

It is an amenable number.

13980948 is an abundant number, since it is smaller than the sum of its proper divisors (18641292).

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

13980948 is a wasteful number, since it uses less digits than its factorization.

13980948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165086 (or 1165084 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 13980948 is about 3739.1105894317. The cubic root of 13980948 is about 240.9048481426.

The spelling of 13980948 in words is "thirteen million, nine hundred eighty thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 1165079 2330158 3495237 4660316 6990474 13980948