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1146480 = 243517281
BaseRepresentation
bin100010111111001110000
32011020200020
410113321300
5243141410
640323440
712513336
oct4277160
92136606
101146480
11713405
12473580
13311aba
1421bb56
15179a70
hex117e70

1146480 has 80 divisors (see below), whose sum is σ = 3776544. Its totient is φ = 286720.

The previous prime is 1146461. The next prime is 1146487. The reversal of 1146480 is 846411.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1146480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146487) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3940 + ... + 4220.

21146480 is an apocalyptic number.

1146480 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 1146480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1888272).

1146480 is an abundant number, since it is smaller than the sum of its proper divisors (2630064).

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

1146480 is a wasteful number, since it uses less digits than its factorization.

1146480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1146480 is about 1070.7380632069. The cubic root of 1146480 is about 104.6619513655.

It can be divided in two parts, 114 and 6480, that multiplied together give a triangular number (738720 = T1215).

The spelling of 1146480 in words is "one million, one hundred forty-six thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 68 80 85 102 120 136 170 204 240 255 272 281 340 408 510 562 680 816 843 1020 1124 1360 1405 1686 2040 2248 2810 3372 4080 4215 4496 4777 5620 6744 8430 9554 11240 13488 14331 16860 19108 22480 23885 28662 33720 38216 47770 57324 67440 71655 76432 95540 114648 143310 191080 229296 286620 382160 573240 1146480