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4542031 = 13349387
BaseRepresentation
bin10001010100111001001111
322112202111101
4101110321033
52130321111
6241203531
753415034
oct21247117
98482441
104542031
11262254a
1216305a7
13c304c0
1486338b
155eabc1
hex454e4f

4542031 has 4 divisors (see below), whose sum is σ = 4891432. Its totient is φ = 4192632.

The previous prime is 4542029. The next prime is 4542049. The reversal of 4542031 is 1302454.

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 4542031 - 21 = 4542029 is a prime.

It is a super-2 number, since 2×45420312 = 41260091209922, which contains 22 as substring.

4542031 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174681 + ... + 174706.

It is an arithmetic number, because the mean of its divisors is an integer number (1222858).

Almost surely, 24542031 is an apocalyptic number.

4542031 is a deficient number, since it is larger than the sum of its proper divisors (349401).

4542031 is a wasteful number, since it uses less digits than its factorization.

4542031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349400.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4542031 is about 2131.2041197408. The cubic root of 4542031 is about 165.6087826058.

Adding to 4542031 its reverse (1302454), we get a palindrome (5844485).

It can be divided in two parts, 45420 and 31, that added together give a triangular number (45451 = T301).

The spelling of 4542031 in words is "four million, five hundred forty-two thousand, thirty-one".

Divisors: 1 13 349387 4542031