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13454433 = 321494937
BaseRepresentation
bin110011010100…
…110001100001
3221022120000100
4303110301201
511421020213
61200213013
7222234516
oct63246141
927276010
1013454433
11765a573
12460a169
132a31005
141b0330d
1512ab773
hexcd4c61

13454433 has 6 divisors (see below), whose sum is σ = 19434194. Its totient is φ = 8969616.

The previous prime is 13454423. The next prime is 13454443. The reversal of 13454433 is 33445431.

It is an interprime number because it is at equal distance from previous prime (13454423) and next prime (13454443).

It can be written as a sum of positive squares in only one way, i.e., 13417569 + 36864 = 3663^2 + 192^2 .

It is not a de Polignac number, because 13454433 - 25 = 13454401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13454397 and 13454406.

It is not an unprimeable number, because it can be changed into a prime (13454423) 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 5 ways as a sum of consecutive naturals, for example, 747460 + ... + 747477.

Almost surely, 213454433 is an apocalyptic number.

It is an amenable number.

13454433 is a deficient number, since it is larger than the sum of its proper divisors (5979761).

13454433 is a wasteful number, since it uses less digits than its factorization.

13454433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494943 (or 1494940 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 13454433 is about 3668.0284895295. The cubic root of 13454433 is about 237.8419554268.

Adding to 13454433 its reverse (33445431), we get a palindrome (46899864).

It can be divided in two parts, 1345 and 4433, that added together give a triangular number (5778 = T107).

The spelling of 13454433 in words is "thirteen million, four hundred fifty-four thousand, four hundred thirty-three".

Divisors: 1 3 9 1494937 4484811 13454433