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3742531 = 13287887
BaseRepresentation
bin1110010001101101000011
321001010210021
432101231003
51424230111
6212114311
743545112
oct16215503
97033707
103742531
112126901
121305997
13a10620
146d5c79
154ddd71
hex391b43

3742531 has 4 divisors (see below), whose sum is σ = 4030432. Its totient is φ = 3454632.

The previous prime is 3742523. The next prime is 3742561. The reversal of 3742531 is 1352473.

3742531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3742531 - 23 = 3742523 is a prime.

It is a super-2 number, since 2×37425312 = 28013076571922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3742496 and 3742505.

It is not an unprimeable number, because it can be changed into a prime (3742561) 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 3 ways as a sum of consecutive naturals, for example, 143931 + ... + 143956.

It is an arithmetic number, because the mean of its divisors is an integer number (1007608).

Almost surely, 23742531 is an apocalyptic number.

3742531 is a deficient number, since it is larger than the sum of its proper divisors (287901).

3742531 is a wasteful number, since it uses less digits than its factorization.

3742531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287900.

The product of its digits is 2520, while the sum is 25.

The square root of 3742531 is about 1934.5622243805. The cubic root of 3742531 is about 155.2584104326.

The spelling of 3742531 in words is "three million, seven hundred forty-two thousand, five hundred thirty-one".

Divisors: 1 13 287887 3742531