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13872463 = 111261133
BaseRepresentation
bin110100111010…
…110101001111
3222002210102221
4310322311033
512022404323
61213200211
7225625333
oct64726517
928083387
1013872463
117915650
124790067
132b49377
141bb17c3
15134055d
hexd3ad4f

13872463 has 4 divisors (see below), whose sum is σ = 15133608. Its totient is φ = 12611320.

The previous prime is 13872457. The next prime is 13872487. The reversal of 13872463 is 36427831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36427831 = 113311621.

It is a cyclic number.

It is not a de Polignac number, because 13872463 - 217 = 13741391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13872403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630556 + ... + 630577.

It is an arithmetic number, because the mean of its divisors is an integer number (3783402).

Almost surely, 213872463 is an apocalyptic number.

13872463 is a deficient number, since it is larger than the sum of its proper divisors (1261145).

13872463 is a wasteful number, since it uses less digits than its factorization.

13872463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261144.

The product of its digits is 24192, while the sum is 34.

The square root of 13872463 is about 3724.5755462871. The cubic root of 13872463 is about 240.2801300785.

The spelling of 13872463 in words is "thirteen million, eight hundred seventy-two thousand, four hundred sixty-three".

Divisors: 1 11 1261133 13872463