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2666470 = 25266647
BaseRepresentation
bin1010001010111111100110
312000110201011
422022333212
51140311340
6133052434
731443652
oct12127746
95013634
102666470
1115613a4
12a8711a
137248c1
144d5a62
1537a0ea
hex28afe6

2666470 has 8 divisors (see below), whose sum is σ = 4799664. Its totient is φ = 1066584.

The previous prime is 2666453. The next prime is 2666491. The reversal of 2666470 is 746662.

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

It is a super-2 number, since 2×26664702 = 14220124521800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133314 + ... + 133333.

It is an arithmetic number, because the mean of its divisors is an integer number (599958).

22666470 is an apocalyptic number.

2666470 is a deficient number, since it is larger than the sum of its proper divisors (2133194).

2666470 is a wasteful number, since it uses less digits than its factorization.

2666470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266654.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 2666470 is about 1632.9329441223. The cubic root of 2666470 is about 138.6688457601.

It can be divided in two parts, 2666 and 470, that added together give a square (3136 = 562).

The spelling of 2666470 in words is "two million, six hundred sixty-six thousand, four hundred seventy".

Divisors: 1 2 5 10 266647 533294 1333235 2666470