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2752668 = 223276463
BaseRepresentation
bin1010100000000010011100
312011211221200
422200002130
51201041133
6134555500
732253162
oct12400234
95154850
102752668
111610136
12b08b90
13754bc9
14519232
15395913
hex2a009c

2752668 has 18 divisors (see below), whose sum is σ = 6958224. Its totient is φ = 917544.

The previous prime is 2752667. The next prime is 2752669. The reversal of 2752668 is 8662572.

It is an interprime number because it is at equal distance from previous prime (2752667) and next prime (2752669).

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×27526682 = 15154362236448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 76463 = 2752668 / (2 + 7 + 5 + 2 + 6 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2752667) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 38196 + ... + 38267.

It is an arithmetic number, because the mean of its divisors is an integer number (386568).

22752668 is an apocalyptic number.

It is an amenable number.

2752668 is an abundant number, since it is smaller than the sum of its proper divisors (4205556).

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

2752668 is a wasteful number, since it uses less digits than its factorization.

2752668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76473 (or 76468 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 2752668 is about 1659.1166324282. The cubic root of 2752668 is about 140.1472600152.

The spelling of 2752668 in words is "two million, seven hundred fifty-two thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 76463 152926 229389 305852 458778 688167 917556 1376334 2752668