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13442346 = 232746797
BaseRepresentation
bin110011010001…
…110100101010
3221021221102200
4303101310222
511420123341
61200041030
7222154341
oct63216452
927257380
1013442346
117651485
124603176
132a28668
141adcb58
1512a7db6
hexcd1d2a

13442346 has 12 divisors (see below), whose sum is σ = 29125122. Its totient is φ = 4480776.

The previous prime is 13442339. The next prime is 13442347. The reversal of 13442346 is 64324431.

13442346 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7868025 + 5574321 = 2805^2 + 2361^2 .

It is not an unprimeable number, because it can be changed into a prime (13442347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 373381 + ... + 373416.

Almost surely, 213442346 is an apocalyptic number.

13442346 is an abundant number, since it is smaller than the sum of its proper divisors (15682776).

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

13442346 is a wasteful number, since it uses less digits than its factorization.

13442346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746805 (or 746802 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 13442346 is about 3666.3805039848. The cubic root of 13442346 is about 237.7707110764.

Adding to 13442346 its reverse (64324431), we get a palindrome (77766777).

The spelling of 13442346 in words is "thirteen million, four hundred forty-two thousand, three hundred forty-six".

Divisors: 1 2 3 6 9 18 746797 1493594 2240391 4480782 6721173 13442346