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4542089 = 31146519
BaseRepresentation
bin10001010100111010001001
322112202120112
4101110322021
52130321324
6241204105
753415146
oct21247211
98482515
104542089
1126225a2
121630635
13c30536
148633cd
155eac0e
hex454e89

4542089 has 4 divisors (see below), whose sum is σ = 4688640. Its totient is φ = 4395540.

The previous prime is 4542061. The next prime is 4542107. The reversal of 4542089 is 9802454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4542089 - 212 = 4537993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4542019) 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, 73229 + ... + 73290.

It is an arithmetic number, because the mean of its divisors is an integer number (1172160).

Almost surely, 24542089 is an apocalyptic number.

It is an amenable number.

4542089 is a deficient number, since it is larger than the sum of its proper divisors (146551).

4542089 is a wasteful number, since it uses less digits than its factorization.

4542089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146550.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 4542089 is about 2131.2177270284. The cubic root of 4542089 is about 165.6094875231.

The spelling of 4542089 in words is "four million, five hundred forty-two thousand, eighty-nine".

Divisors: 1 31 146519 4542089