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13748946 = 232291491
BaseRepresentation
bin110100011100…
…101011010010
3221212112000020
4310130223102
512004431241
61210404310
7224602251
oct64345322
927775006
1013748946
117840872
124730696
132b05093
141b7c798
151318b66
hexd1cad2

13748946 has 8 divisors (see below), whose sum is σ = 27497904. Its totient is φ = 4582980.

The previous prime is 13748939. The next prime is 13748993. The reversal of 13748946 is 64984731.

13748946 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 is a sphenic number, since it is the product of 3 distinct primes.

13748946 is an admirable number.

It is a super-2 number, since 2×137489462 = 378067032221832, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13748898 and 13748907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145740 + ... + 1145751.

It is an arithmetic number, because the mean of its divisors is an integer number (3437238).

Almost surely, 213748946 is an apocalyptic number.

13748946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13748946 is a wasteful number, since it uses less digits than its factorization.

13748946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291496.

The product of its digits is 145152, while the sum is 42.

The square root of 13748946 is about 3707.9571194932. The cubic root of 13748946 is about 239.5648712949.

The spelling of 13748946 in words is "thirteen million, seven hundred forty-eight thousand, nine hundred forty-six".

Divisors: 1 2 3 6 2291491 4582982 6874473 13748946