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2766740 = 225138337
BaseRepresentation
bin1010100011011110010100
312012120020212
422203132110
51202013430
6135144552
732342204
oct12433624
95176225
102766740
11161a769
12b15158
1375b432
14520404
15399b95
hex2a3794

2766740 has 12 divisors (see below), whose sum is σ = 5810196. Its totient is φ = 1106688.

The previous prime is 2766737. The next prime is 2766763. The reversal of 2766740 is 476672.

It is a happy number.

2766740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 698896 + 2067844 = 836^2 + 1438^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2766697 and 2766706.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 69149 + ... + 69188.

It is an arithmetic number, because the mean of its divisors is an integer number (484183).

22766740 is an apocalyptic number.

2766740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2766740 is an abundant number, since it is smaller than the sum of its proper divisors (3043456).

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

2766740 is a wasteful number, since it uses less digits than its factorization.

2766740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138346 (or 138344 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 2766740 is about 1663.3520373030. The cubic root of 2766740 is about 140.3856712731.

The spelling of 2766740 in words is "two million, seven hundred sixty-six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 138337 276674 553348 691685 1383370 2766740