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30243452 = 227560863
BaseRepresentation
bin111001101011…
…1101001111100
32002220112012212
41303113221330
530220242302
63000115552
7515031221
oct163275174
962815185
1030243452
1116087398
12a165bb8
13635ba45
144033948
1529c6052
hex1cd7a7c

30243452 has 6 divisors (see below), whose sum is σ = 52926048. Its totient is φ = 15121724.

The previous prime is 30243449. The next prime is 30243461. The reversal of 30243452 is 25434203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3780428 + ... + 3780435.

It is an arithmetic number, because the mean of its divisors is an integer number (8821008).

Almost surely, 230243452 is an apocalyptic number.

It is an amenable number.

30243452 is a deficient number, since it is larger than the sum of its proper divisors (22682596).

30243452 is a wasteful number, since it uses less digits than its factorization.

30243452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560867 (or 7560865 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 30243452 is about 5499.4046950556. The cubic root of 30243452 is about 311.5615004812.

Adding to 30243452 its reverse (25434203), we get a palindrome (55677655).

Subtracting from 30243452 its reverse (25434203), we obtain a square (4809249 = 21932).

The spelling of 30243452 in words is "thirty million, two hundred forty-three thousand, four hundred fifty-two".

Divisors: 1 2 4 7560863 15121726 30243452