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13960028 = 226015807
BaseRepresentation
bin110101010000…
…001101011100
3222021020120002
4311100031130
512033210103
61215113432
7226441535
oct65201534
928236502
1013960028
117975415
124812878
132b7a194
141bd568c
15135b488
hexd5035c

13960028 has 12 divisors (see below), whose sum is σ = 24474912. Its totient is φ = 6967200.

The previous prime is 13960027. The next prime is 13960061. The reversal of 13960028 is 82006931.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13960021) 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, 500 + ... + 5307.

It is an arithmetic number, because the mean of its divisors is an integer number (2039576).

Almost surely, 213960028 is an apocalyptic number.

It is an amenable number.

13960028 is a deficient number, since it is larger than the sum of its proper divisors (10514884).

13960028 is a wasteful number, since it uses less digits than its factorization.

13960028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6412 (or 6410 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 13960028 is about 3736.3120854661. The cubic root of 13960028 is about 240.7846310872.

Adding to 13960028 its reverse (82006931), we get a palindrome (95966959).

The spelling of 13960028 in words is "thirteen million, nine hundred sixty thousand, twenty-eight".

Divisors: 1 2 4 601 1202 2404 5807 11614 23228 3490007 6980014 13960028