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2580216 = 233107509
BaseRepresentation
bin1001110101111011111000
311212002101120
421311323320
51130031331
6131145240
730634332
oct11657370
94762346
102580216
111502611
12a45220
136c4572
144b2452
1535e796
hex275ef8

2580216 has 16 divisors (see below), whose sum is σ = 6450600. Its totient is φ = 860064.

The previous prime is 2580203. The next prime is 2580241. The reversal of 2580216 is 6120852.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 107509 = 2580216 / (2 + 5 + 8 + 0 + 2 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53731 + ... + 53778.

22580216 is an apocalyptic number.

It is an amenable number.

2580216 is an abundant number, since it is smaller than the sum of its proper divisors (3870384).

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

2580216 is a wasteful number, since it uses less digits than its factorization.

2580216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107518 (or 107514 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2580216 is about 1606.3050768767. The cubic root of 2580216 is about 137.1572244373.

The spelling of 2580216 in words is "two million, five hundred eighty thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 107509 215018 322527 430036 645054 860072 1290108 2580216