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13365480 = 2335127877
BaseRepresentation
bin110010111111…
…000011101000
3221011000222210
4302333003220
511410143410
61154245120
7221414262
oct62770350
927130883
1013365480
1175a9757
1245867a0
1329cc68b
141abcb32
151290220
hexcbf0e8

13365480 has 64 divisors (see below), whose sum is σ = 40458240. Its totient is φ = 3532032.

The previous prime is 13365479. The next prime is 13365481. The reversal of 13365480 is 8456331.

It is an interprime number because it is at equal distance from previous prime (13365479) and next prime (13365481).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (13365481) 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 15 ways as a sum of consecutive naturals, for example, 14802 + ... + 15678.

It is an arithmetic number, because the mean of its divisors is an integer number (632160).

Almost surely, 213365480 is an apocalyptic number.

13365480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13365480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20229120).

13365480 is an abundant number, since it is smaller than the sum of its proper divisors (27092760).

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

13365480 is a wasteful number, since it uses less digits than its factorization.

13365480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 13365480 is about 3655.8829302919. The cubic root of 13365480 is about 237.3166377881.

The spelling of 13365480 in words is "thirteen million, three hundred sixty-five thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 127 254 381 508 635 762 877 1016 1270 1524 1754 1905 2540 2631 3048 3508 3810 4385 5080 5262 7016 7620 8770 10524 13155 15240 17540 21048 26310 35080 52620 105240 111379 222758 334137 445516 556895 668274 891032 1113790 1336548 1670685 2227580 2673096 3341370 4455160 6682740 13365480