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4542388 = 221135597
BaseRepresentation
bin10001010100111110110100
322112202222121
4101110332310
52130324023
6241205324
753416054
oct21247664
98482877
104542388
112622844
121630844
13c30706
14863564
155ead5d
hex454fb4

4542388 has 6 divisors (see below), whose sum is σ = 7949186. Its totient is φ = 2271192.

The previous prime is 4542371. The next prime is 4542389. The reversal of 4542388 is 8832454.

It can be written as a sum of positive squares in only one way, i.e., 2999824 + 1542564 = 1732^2 + 1242^2 .

It is a d-powerful number, because it can be written as 48 + 54 + 411 + 25 + 39 + 82 + 86 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567795 + ... + 567802.

Almost surely, 24542388 is an apocalyptic number.

It is an amenable number.

4542388 is a deficient number, since it is larger than the sum of its proper divisors (3406798).

4542388 is a wasteful number, since it uses less digits than its factorization.

4542388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135601 (or 1135599 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 4542388 is about 2131.2878735638. The cubic root of 4542388 is about 165.6131213980.

The spelling of 4542388 in words is "four million, five hundred forty-two thousand, three hundred eighty-eight".

Divisors: 1 2 4 1135597 2271194 4542388