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2580066 = 23347779
BaseRepresentation
bin1001110101111001100010
311212002012000
421311321202
51130030231
6131144430
730634026
oct11657142
94762160
102580066
111502495
12a45116
136c4488
144b2386
1535e6e6
hex275e62

2580066 has 16 divisors (see below), whose sum is σ = 5733600. Its totient is φ = 860004.

The previous prime is 2580049. The next prime is 2580079. The reversal of 2580066 is 6600852.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23836 + ... + 23943.

It is an arithmetic number, because the mean of its divisors is an integer number (358350).

22580066 is an apocalyptic number.

2580066 is an abundant number, since it is smaller than the sum of its proper divisors (3153534).

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

2580066 is a wasteful number, since it uses less digits than its factorization.

2580066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47790 (or 47784 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2580066 is about 1606.2583851921. The cubic root of 2580066 is about 137.1545665225.

The spelling of 2580066 in words is "two million, five hundred eighty thousand, sixty-six".

Divisors: 1 2 3 6 9 18 27 54 47779 95558 143337 286674 430011 860022 1290033 2580066