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4542252 = 22311132647
BaseRepresentation
bin10001010100111100101100
322112202210120
4101110330230
52130323002
6241204540
753415501
oct21247454
98482716
104542252
112622730
121630750
13c30630
148634a8
155eacbc
hex454f2c

4542252 has 48 divisors (see below), whose sum is σ = 12456192. Its totient is φ = 1270080.

The previous prime is 4542211. The next prime is 4542253. The reversal of 4542252 is 2522454.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542253) 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 15 ways as a sum of consecutive naturals, for example, 393 + ... + 3039.

It is an arithmetic number, because the mean of its divisors is an integer number (259504).

Almost surely, 24542252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4542252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6228096).

4542252 is an abundant number, since it is smaller than the sum of its proper divisors (7913940).

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

4542252 is a wasteful number, since it uses less digits than its factorization.

4542252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678 (or 2676 counting only the distinct ones).

The product of its digits is 3200, while the sum is 24.

The square root of 4542252 is about 2131.2559677336. The cubic root of 4542252 is about 165.6114685516.

The spelling of 4542252 in words is "four million, five hundred forty-two thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 13 22 26 33 39 44 52 66 78 132 143 156 286 429 572 858 1716 2647 5294 7941 10588 15882 29117 31764 34411 58234 68822 87351 103233 116468 137644 174702 206466 349404 378521 412932 757042 1135563 1514084 2271126 4542252