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1364880 = 243511247
BaseRepresentation
bin101001101001110010000
32120100021010
411031032100
5322134010
645130520
714413146
oct5151620
92510233
101364880
11852500
12559a40
1338a32a
14277596
151be620
hex14d390

1364880 has 120 divisors (see below), whose sum is σ = 4749696. Its totient is φ = 323840.

The previous prime is 1364861. The next prime is 1364897. The reversal of 1364880 is 884631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29017 + ... + 29063.

21364880 is an apocalyptic number.

1364880 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 1364880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2374848).

1364880 is an abundant number, since it is smaller than the sum of its proper divisors (3384816).

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

1364880 is a wasteful number, since it uses less digits than its factorization.

1364880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1364880 is about 1168.2807881670. The cubic root of 1364880 is about 110.9255242644.

Subtracting from 1364880 its reverse (884631), we obtain a square (480249 = 6932).

The spelling of 1364880 in words is "one million, three hundred sixty-four thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 47 48 55 60 66 80 88 94 110 120 121 132 141 165 176 188 220 235 240 242 264 282 330 363 376 440 470 484 517 528 564 605 660 705 726 752 880 940 968 1034 1128 1210 1320 1410 1452 1551 1815 1880 1936 2068 2256 2420 2585 2640 2820 2904 3102 3630 3760 4136 4840 5170 5640 5687 5808 6204 7260 7755 8272 9680 10340 11280 11374 12408 14520 15510 17061 20680 22748 24816 28435 29040 31020 34122 41360 45496 56870 62040 68244 85305 90992 113740 124080 136488 170610 227480 272976 341220 454960 682440 1364880