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2406880 = 25572307
BaseRepresentation
bin1001001011100111100000
311112021121201
421023213200
51104010010
6123330544
726313100
oct11134740
94467551
102406880
1113a4363
12980a54
136636b8
14469200
1532823a
hex24b9e0

2406880 has 72 divisors (see below), whose sum is σ = 6636168. Its totient is φ = 822528.

The previous prime is 2406851. The next prime is 2406919. The reversal of 2406880 is 886042.

2406880 = 673 + 683 + ... + 733.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7687 + ... + 7993.

It is an arithmetic number, because the mean of its divisors is an integer number (92169).

22406880 is an apocalyptic number.

2406880 is a gapful number since it is divisible by the number (20) 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 2406880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3318084).

2406880 is an abundant number, since it is smaller than the sum of its proper divisors (4229288).

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

2406880 is a wasteful number, since it uses less digits than its factorization.

2406880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 2406880 is about 1551.4122598458. The cubic root of 2406880 is about 134.0144040356.

The spelling of 2406880 in words is "two million, four hundred six thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 70 80 98 112 140 160 196 224 245 280 307 392 490 560 614 784 980 1120 1228 1535 1568 1960 2149 2456 3070 3920 4298 4912 6140 7840 8596 9824 10745 12280 15043 17192 21490 24560 30086 34384 42980 49120 60172 68768 75215 85960 120344 150430 171920 240688 300860 343840 481376 601720 1203440 2406880