Search a number
-
+
4542342 = 23737279
BaseRepresentation
bin10001010100111110000110
322112202220220
4101110332012
52130323332
6241205210
753415660
oct21247606
98482826
104542342
112622802
121630806
13c3069c
14863530
155ead2c
hex454f86

4542342 has 48 divisors (see below), whose sum is σ = 10805760. Its totient is φ = 1246752.

The previous prime is 4542331. The next prime is 4542361. The reversal of 4542342 is 2432454.

Its product of digits (3840) is a multiple of the sum of its prime divisors (128).

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 23 ways as a sum of consecutive naturals, for example, 57459 + ... + 57537.

It is an arithmetic number, because the mean of its divisors is an integer number (225120).

Almost surely, 24542342 is an apocalyptic number.

4542342 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4542342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5402880).

4542342 is an abundant number, since it is smaller than the sum of its proper divisors (6263418).

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

4542342 is a wasteful number, since it uses less digits than its factorization.

4542342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 128 counting only the distinct ones).

The product of its digits is 3840, while the sum is 24.

The square root of 4542342 is about 2131.2770819394. The cubic root of 4542342 is about 165.6125623507.

Adding to 4542342 its reverse (2432454), we get a palindrome (6974796).

It can be divided in two parts, 4542 and 342, that added together give a palindrome (4884).

The spelling of 4542342 in words is "four million, five hundred forty-two thousand, three hundred forty-two".

Divisors: 1 2 3 6 7 14 21 37 42 74 79 111 158 222 237 259 474 518 553 777 1106 1369 1554 1659 2738 2923 3318 4107 5846 8214 8769 9583 17538 19166 20461 28749 40922 57498 61383 108151 122766 216302 324453 648906 757057 1514114 2271171 4542342