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4542028 = 221278941
BaseRepresentation
bin10001010100111001001100
322112202111021
4101110321030
52130321103
6241203524
753415031
oct21247114
98482437
104542028
112622547
1216305a4
13c304ba
14863388
155eabbd
hex454e4c

4542028 has 12 divisors (see below), whose sum is σ = 8012032. Its totient is φ = 2252880.

The previous prime is 4542019. The next prime is 4542029. The reversal of 4542028 is 8202454.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4541993 and 4542011.

It is not an unprimeable number, because it can be changed into a prime (4542029) 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, 3963 + ... + 4978.

Almost surely, 24542028 is an apocalyptic number.

It is an amenable number.

4542028 is a deficient number, since it is larger than the sum of its proper divisors (3470004).

4542028 is a wasteful number, since it uses less digits than its factorization.

4542028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9072 (or 9070 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4542028 is about 2131.2034159132. The cubic root of 4542028 is about 165.6087461444.

The spelling of 4542028 in words is "four million, five hundred forty-two thousand, twenty-eight".

Divisors: 1 2 4 127 254 508 8941 17882 35764 1135507 2271014 4542028