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2466660 = 223572839
BaseRepresentation
bin1001011010001101100100
311122022121210
421122031210
51112413120
6124511420
726652300
oct11321544
94568553
102466660
111435269
129ab570
13684981
14482d00
1533ace0
hex25a364

2466660 has 72 divisors (see below), whose sum is σ = 8043840. Its totient is φ = 563136.

The previous prime is 2466647. The next prime is 2466661. The reversal of 2466660 is 666642.

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 (2466661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2521 + ... + 3359.

It is an arithmetic number, because the mean of its divisors is an integer number (111720).

22466660 is an apocalyptic number.

2466660 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 2466660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4021920).

2466660 is an abundant number, since it is smaller than the sum of its proper divisors (5577180).

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

2466660 is a wasteful number, since it uses less digits than its factorization.

2466660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 2466660 is about 1570.5604095354. The cubic root of 2466660 is about 135.1148542465.

The spelling of 2466660 in words is "two million, four hundred sixty-six thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 839 980 1470 1678 2517 2940 3356 4195 5034 5873 8390 10068 11746 12585 16780 17619 23492 25170 29365 35238 41111 50340 58730 70476 82222 88095 117460 123333 164444 176190 205555 246666 352380 411110 493332 616665 822220 1233330 2466660