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13880733 = 361101751
BaseRepresentation
bin110100111100…
…110110011101
3222010012210020
4310330312131
512023140413
61213302353
7225661416
oct64746635
928105706
1013880733
117920889
1247949b9
132b50069
141bb480d
151342c23
hexd3cd9d

13880733 has 16 divisors (see below), whose sum is σ = 19022592. Its totient is φ = 9000000.

The previous prime is 13880729. The next prime is 13880743. The reversal of 13880733 is 33708831.

It is not a de Polignac number, because 13880733 - 22 = 13880729 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13880694 and 13880703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13880723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18108 + ... + 18858.

It is an arithmetic number, because the mean of its divisors is an integer number (1188912).

Almost surely, 213880733 is an apocalyptic number.

It is an amenable number.

13880733 is a deficient number, since it is larger than the sum of its proper divisors (5141859).

13880733 is a wasteful number, since it uses less digits than its factorization.

13880733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 13880733 is about 3725.6855744950. The cubic root of 13880733 is about 240.3278678627.

The spelling of 13880733 in words is "thirteen million, eight hundred eighty thousand, seven hundred thirty-three".

Divisors: 1 3 61 101 183 303 751 2253 6161 18483 45811 75851 137433 227553 4626911 13880733