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13769943 = 311417271
BaseRepresentation
bin110100100001…
…110011010111
3221220120210220
4310201303113
512011114233
61211045423
7225020415
oct64416327
927816726
1013769943
117855620
124740873
132b117c5
141b862b5
15131eeb3
hexd21cd7

13769943 has 8 divisors (see below), whose sum is σ = 20029056. Its totient is φ = 8345400.

The previous prime is 13769941. The next prime is 13769981. The reversal of 13769943 is 34996731.

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

It is not a de Polignac number, because 13769943 - 21 = 13769941 is a prime.

It is a super-2 number, since 2×137699432 = 379222660446498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13769895 and 13769904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13769941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208603 + ... + 208668.

It is an arithmetic number, because the mean of its divisors is an integer number (2503632).

Almost surely, 213769943 is an apocalyptic number.

13769943 is a deficient number, since it is larger than the sum of its proper divisors (6259113).

13769943 is a wasteful number, since it uses less digits than its factorization.

13769943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417285.

The product of its digits is 122472, while the sum is 42.

The square root of 13769943 is about 3710.7873827532. The cubic root of 13769943 is about 239.6867614902.

The spelling of 13769943 in words is "thirteen million, seven hundred sixty-nine thousand, nine hundred forty-three".

Divisors: 1 3 11 33 417271 1251813 4589981 13769943