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13454444 = 2227712143
BaseRepresentation
bin110011010100…
…110001101100
3221022120000202
4303110301230
511421020234
61200213032
7222234533
oct63246154
927276022
1013454444
11765a583
12460a178
132a31013
141b0331a
1512ab77e
hexcd4c6c

13454444 has 12 divisors (see below), whose sum is σ = 23632224. Its totient is φ = 6702384.

The previous prime is 13454443. The next prime is 13454447. The reversal of 13454444 is 44445431.

13454444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not an unprimeable number, because it can be changed into a prime (13454443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4964 + ... + 7179.

It is an arithmetic number, because the mean of its divisors is an integer number (1969352).

Almost surely, 213454444 is an apocalyptic number.

It is an amenable number.

13454444 is a deficient number, since it is larger than the sum of its proper divisors (10177780).

13454444 is a wasteful number, since it uses less digits than its factorization.

13454444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12424 (or 12422 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 13454444 is about 3668.0299889723. The cubic root of 13454444 is about 237.8420202447.

Adding to 13454444 its reverse (44445431), we get a palindrome (57899875).

The spelling of 13454444 in words is "thirteen million, four hundred fifty-four thousand, four hundred forty-four".

Divisors: 1 2 4 277 554 1108 12143 24286 48572 3363611 6727222 13454444