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13382488 = 23734877
BaseRepresentation
bin110011000011…
…001101011000
3221011220022201
4303003031120
511411214423
61154455544
7221515000
oct63031530
927156281
1013382488
117610509
1245945b4
132a07342
141ac5000
1512952ad
hexcc3358

13382488 has 32 divisors (see below), whose sum is σ = 29268000. Its totient is φ = 5734176.

The previous prime is 13382461. The next prime is 13382491. The reversal of 13382488 is 88428331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306 + ... + 5182.

It is an arithmetic number, because the mean of its divisors is an integer number (914625).

Almost surely, 213382488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13382488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14634000).

13382488 is an abundant number, since it is smaller than the sum of its proper divisors (15885512).

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

13382488 is an equidigital number, since it uses as much as digits as its factorization.

13382488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4904 (or 4886 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 13382488 is about 3658.2083046213. The cubic root of 13382488 is about 237.4172594514.

It can be divided in two parts, 1338248 and 8, that multiplied together give a square (10705984 = 32722).

The spelling of 13382488 in words is "thirteen million, three hundred eighty-two thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 343 392 686 1372 2744 4877 9754 19508 34139 39016 68278 136556 238973 273112 477946 955892 1672811 1911784 3345622 6691244 13382488