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13380648 = 2333591553
BaseRepresentation
bin110011000010…
…110000101000
3221011210210120
4303002300220
511411140043
61154443240
7221506431
oct63026050
927153716
1013380648
11760a096
124593520
132a06558
141ac4488
151294983
hexcc2c28

13380648 has 32 divisors (see below), whose sum is σ = 33566400. Its totient is φ = 4444928.

The previous prime is 13380599. The next prime is 13380659. The reversal of 13380648 is 84608331.

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, 7840 + ... + 9392.

It is an arithmetic number, because the mean of its divisors is an integer number (1048950).

Almost surely, 213380648 is an apocalyptic number.

It is an amenable number.

13380648 is an abundant number, since it is smaller than the sum of its proper divisors (20185752).

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

13380648 is a wasteful number, since it uses less digits than its factorization.

13380648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921 (or 1917 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 13380648 is about 3657.9568067433. The cubic root of 13380648 is about 237.4063778729.

Adding to 13380648 its reverse (84608331), we get a palindrome (97988979).

It can be divided in two parts, 13380 and 648, that added together give a triangular number (14028 = T167).

The spelling of 13380648 in words is "thirteen million, three hundred eighty thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 359 718 1077 1436 1553 2154 2872 3106 4308 4659 6212 8616 9318 12424 18636 37272 557527 1115054 1672581 2230108 3345162 4460216 6690324 13380648