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30522452 = 227630613
BaseRepresentation
bin111010001101…
…1110001010100
32010102200221012
41310123301110
530303204302
63010111352
7520302512
oct164336124
963380835
1030522452
1116257a74
12a27b558
136428a2c
1440a74b2
152a2da52
hex1d1bc54

30522452 has 6 divisors (see below), whose sum is σ = 53414298. Its totient is φ = 15261224.

The previous prime is 30522439. The next prime is 30522469. The reversal of 30522452 is 25422503.

It can be written as a sum of positive squares in only one way, i.e., 25441936 + 5080516 = 5044^2 + 2254^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3815303 + ... + 3815310.

It is an arithmetic number, because the mean of its divisors is an integer number (8902383).

Almost surely, 230522452 is an apocalyptic number.

It is an amenable number.

30522452 is a deficient number, since it is larger than the sum of its proper divisors (22891846).

30522452 is a wasteful number, since it uses less digits than its factorization.

30522452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7630617 (or 7630615 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 30522452 is about 5524.7128432164. The cubic root of 30522452 is about 312.5166352744.

Adding to 30522452 its reverse (25422503), we get a palindrome (55944955).

The spelling of 30522452 in words is "thirty million, five hundred twenty-two thousand, four hundred fifty-two".

Divisors: 1 2 4 7630613 15261226 30522452