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2664667 = 31431999
BaseRepresentation
bin1010001010100011011011
312000101020101
422022203123
51140232132
6133040231
731435465
oct12124333
95011211
102664667
111560005
12a86077
13723b35
144d5135
153797e7
hex28a8db

2664667 has 8 divisors (see below), whose sum is σ = 2816000. Its totient is φ = 2517480.

The previous prime is 2664661. The next prime is 2664689. The reversal of 2664667 is 7664662.

2664667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2664667 - 27 = 2664539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334 + ... + 2332.

It is an arithmetic number, because the mean of its divisors is an integer number (352000).

22664667 is an apocalyptic number.

2664667 is the 1333-rd pentagonal number.

2664667 is a deficient number, since it is larger than the sum of its proper divisors (151333).

2664667 is a wasteful number, since it uses less digits than its factorization.

2664667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073.

The product of its digits is 72576, while the sum is 37.

The square root of 2664667 is about 1632.3807766572. The cubic root of 2664667 is about 138.6375839167.

The spelling of 2664667 in words is "two million, six hundred sixty-four thousand, six hundred sixty-seven".

Divisors: 1 31 43 1333 1999 61969 85957 2664667