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2687330 = 25268733
BaseRepresentation
bin1010010000000101100010
312001112022202
422100011202
51141443310
6133333202
731561532
oct12200542
95045282
102687330
111576038
12a97202
13731249
144dd4c2
153813a5
hex290162

2687330 has 8 divisors (see below), whose sum is σ = 4837212. Its totient is φ = 1074928.

The previous prime is 2687329. The next prime is 2687353. The reversal of 2687330 is 337862.

It can be written as a sum of positive squares in 2 ways, for example, as 2524921 + 162409 = 1589^2 + 403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2687293 and 2687302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134357 + ... + 134376.

22687330 is an apocalyptic number.

2687330 is a deficient number, since it is larger than the sum of its proper divisors (2149882).

2687330 is a wasteful number, since it uses less digits than its factorization.

2687330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268740.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 2687330 is about 1639.3077807416. The cubic root of 2687330 is about 139.0295125644.

The spelling of 2687330 in words is "two million, six hundred eighty-seven thousand, three hundred thirty".

Divisors: 1 2 5 10 268733 537466 1343665 2687330