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13875054 = 2319121711
BaseRepresentation
bin110100111011…
…011101101110
3222002220222220
4310323131232
512023000204
61213220210
7225636024
oct64733556
928086886
1013875054
117917596
124791666
132b4a5bb
141bb2714
1513411d9
hexd3b76e

13875054 has 16 divisors (see below), whose sum is σ = 29210880. Its totient is φ = 4381560.

The previous prime is 13875047. The next prime is 13875101. The reversal of 13875054 is 45057831.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60742 + ... + 60969.

It is an arithmetic number, because the mean of its divisors is an integer number (1825680).

Almost surely, 213875054 is an apocalyptic number.

13875054 is an abundant number, since it is smaller than the sum of its proper divisors (15335826).

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

13875054 is a wasteful number, since it uses less digits than its factorization.

13875054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121735.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 13875054 is about 3724.9233549162. The cubic root of 13875054 is about 240.2950884186.

It can be divided in two parts, 1387 and 5054, that added together give a triangular number (6441 = T113).

The spelling of 13875054 in words is "thirteen million, eight hundred seventy-five thousand, fifty-four".

Divisors: 1 2 3 6 19 38 57 114 121711 243422 365133 730266 2312509 4625018 6937527 13875054