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30289225444 = 2217325032
BaseRepresentation
bin11100001101011000…
…001110011011100100
32220011220112002002121
4130031120032123210
5444013020203234
621525323115324
72121411111502
oct341530163344
986156462077
1030289225444
1111933529425
125a53972b44
132b1928c90a
141674a15672
15bc420a4b4
hex70d60e6e4

30289225444 has 27 divisors (see below), whose sum is σ = 53420512873. Its totient is φ = 15027137072.

The previous prime is 30289225433. The next prime is 30289225453. The reversal of 30289225444 is 44452298203.

It is a happy number.

The square root of 30289225444 is 174038.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 27552680100 + 2736545344 = 165990^2 + 52312^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30289225444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 60216897 + ... + 60217399.

Almost surely, 230289225444 is an apocalyptic number.

30289225444 is the 174038-th square number.

It is an amenable number.

30289225444 is a deficient number, since it is larger than the sum of its proper divisors (23131287429).

30289225444 is an frugal number, since it uses more digits than its factorization.

30289225444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 30289225444 in words is "thirty billion, two hundred eighty-nine million, two hundred twenty-five thousand, four hundred forty-four".

Divisors: 1 2 4 173 346 503 692 1006 2012 29929 59858 87019 119716 174038 253009 348076 506018 1012036 15054287 30108574 43770557 60217148 87541114 175082228 7572306361 15144612722 30289225444