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4542425 = 521973131
BaseRepresentation
bin10001010100111111011001
322112210000222
4101110333121
52130324200
6241205425
753416136
oct21247731
98483028
104542425
112622878
121630875
13c30734
1486358d
155ead85
hex454fd9

4542425 has 24 divisors (see below), whose sum is σ = 6056160. Its totient is φ = 3369600.

The previous prime is 4542407. The next prime is 4542437. The reversal of 4542425 is 5242454.

It is not a de Polignac number, because 4542425 - 26 = 4542361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4542394 and 4542403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34610 + ... + 34740.

It is an arithmetic number, because the mean of its divisors is an integer number (252340).

Almost surely, 24542425 is an apocalyptic number.

It is an amenable number.

4542425 is a deficient number, since it is larger than the sum of its proper divisors (1513735).

4542425 is a wasteful number, since it uses less digits than its factorization.

4542425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 228 counting only the distinct ones).

The product of its digits is 6400, while the sum is 26.

The square root of 4542425 is about 2131.2965537438. The cubic root of 4542425 is about 165.6135710637.

Adding to 4542425 its reverse (5242454), we get a palindrome (9784879).

The spelling of 4542425 in words is "four million, five hundred forty-two thousand, four hundred twenty-five".

Divisors: 1 5 19 25 73 95 131 365 475 655 1387 1825 2489 3275 6935 9563 12445 34675 47815 62225 181697 239075 908485 4542425