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2742388 = 221162327
BaseRepresentation
bin1010011101100001110100
312011022211221
422131201310
51200224023
6134440124
732211205
oct12354164
95138757
102742388
111603440
12b03044
1375031c
145155ac
1539285d
hex29d874

2742388 has 12 divisors (see below), whose sum is σ = 5235552. Its totient is φ = 1246520.

The previous prime is 2742371. The next prime is 2742407. The reversal of 2742388 is 8832472.

2742388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 31120 + ... + 31207.

It is an arithmetic number, because the mean of its divisors is an integer number (436296).

22742388 is an apocalyptic number.

It is an amenable number.

2742388 is a deficient number, since it is larger than the sum of its proper divisors (2493164).

2742388 is a wasteful number, since it uses less digits than its factorization.

2742388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62342 (or 62340 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 2742388 is about 1656.0157004087. The cubic root of 2742388 is about 139.9725796638.

It can be divided in two parts, 274 and 2388, that added together give a palindrome (2662).

The spelling of 2742388 in words is "two million, seven hundred forty-two thousand, three hundred eighty-eight".

Divisors: 1 2 4 11 22 44 62327 124654 249308 685597 1371194 2742388