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30442244 = 2277115313
BaseRepresentation
bin111010000100…
…0001100000100
32010021121220112
41310020030010
530243122434
63004252152
7516516620
oct164101404
963247815
1030442244
1116202788
12a241058
1363cb381
144086180
152a14dce
hex1d08304

30442244 has 24 divisors (see below), whose sum is σ = 61746048. Its totient is φ = 12862080.

The previous prime is 30442219. The next prime is 30442259. The reversal of 30442244 is 44224403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5669 + ... + 9644.

It is an arithmetic number, because the mean of its divisors is an integer number (2572752).

Almost surely, 230442244 is an apocalyptic number.

It is an amenable number.

30442244 is an abundant number, since it is smaller than the sum of its proper divisors (31303804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30442244 is a wasteful number, since it uses less digits than its factorization.

30442244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15395 (or 15393 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 30442244 is about 5517.4490482468. The cubic root of 30442244 is about 312.2426476414.

Adding to 30442244 its reverse (44224403), we get a palindrome (74666647).

The spelling of 30442244 in words is "thirty million, four hundred forty-two thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 71 142 284 497 994 1988 15313 30626 61252 107191 214382 428764 1087223 2174446 4348892 7610561 15221122 30442244