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13872024 = 2332192667
BaseRepresentation
bin110100111010…
…101110011000
3222002202211200
4310322232120
512022401044
61213154200
7225624135
oct64725630
928082750
1013872024
117915291
12478b960
132b490ca
141bb158c
151340369
hexd3ab98

13872024 has 24 divisors (see below), whose sum is σ = 37570260. Its totient is φ = 4623984.

The previous prime is 13872007. The next prime is 13872029. The reversal of 13872024 is 42027831.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13872029) 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 5 ways as a sum of consecutive naturals, for example, 96262 + ... + 96405.

Almost surely, 213872024 is an apocalyptic number.

It is an amenable number.

13872024 is an abundant number, since it is smaller than the sum of its proper divisors (23698236).

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

13872024 is a wasteful number, since it uses less digits than its factorization.

13872024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192679 (or 192672 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 13872024 is about 3724.5166129311. The cubic root of 13872024 is about 240.2775954627.

Adding to 13872024 its reverse (42027831), we get a palindrome (55899855).

The spelling of 13872024 in words is "thirteen million, eight hundred seventy-two thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 192667 385334 578001 770668 1156002 1541336 1734003 2312004 3468006 4624008 6936012 13872024