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305441442 = 23413031447
BaseRepresentation
bin10010001101001…
…010101010100010
3210021202000220000
4102031022222202
51111143111232
650150400430
710366131555
oct2215125242
9707660800
10305441442
11147460749
1286360116
134b3847a7
142c7cc69c
151bc3627c
hex1234aaa2

305441442 has 40 divisors (see below), whose sum is σ = 685413696. Its totient is φ = 101665368.

The previous prime is 305441429. The next prime is 305441467. The reversal of 305441442 is 244144503.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 210363 + ... + 211809.

Almost surely, 2305441442 is an apocalyptic number.

305441442 is an abundant number, since it is smaller than the sum of its proper divisors (379972254).

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

305441442 is a wasteful number, since it uses less digits than its factorization.

305441442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764 (or 2755 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 305441442 is about 17476.8830745073. The cubic root of 305441442 is about 673.4561456755.

Adding to 305441442 its reverse (244144503), we get a palindrome (549585945).

The spelling of 305441442 in words is "three hundred five million, four hundred forty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 1303 1447 2606 2894 3909 4341 7818 8682 11727 13023 23454 26046 35181 39069 70362 78138 105543 117207 211086 234414 1885441 3770882 5656323 11312646 16968969 33937938 50906907 101813814 152720721 305441442