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3740781 = 311113357
BaseRepresentation
bin1110010001010001101101
321001001101110
432101101231
51424201111
6212102233
743540032
oct16212155
97031343
103740781
112125560
121304979
13a0c8a5
146d5389
154dd5a6
hex39146d

3740781 has 8 divisors (see below), whose sum is σ = 5441184. Its totient is φ = 2267120.

The previous prime is 3740773. The next prime is 3740783. The reversal of 3740781 is 1870473.

It is a happy number.

3740781 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 3740781 - 23 = 3740773 is a prime.

It is a super-2 number, since 2×37407812 = 27986884979922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3740783) 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, 56646 + ... + 56711.

It is an arithmetic number, because the mean of its divisors is an integer number (680148).

Almost surely, 23740781 is an apocalyptic number.

It is an amenable number.

3740781 is a deficient number, since it is larger than the sum of its proper divisors (1700403).

3740781 is a wasteful number, since it uses less digits than its factorization.

3740781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113371.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 3740781 is about 1934.1098727839. The cubic root of 3740781 is about 155.2342071524.

The spelling of 3740781 in words is "three million, seven hundred forty thousand, seven hundred eighty-one".

Divisors: 1 3 11 33 113357 340071 1246927 3740781