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445934242 = 213171008901
BaseRepresentation
bin11010100101000…
…110101010100010
31011002002210210001
4122211012222202
51403124343432
6112125530214
714023243555
oct3245065242
91132083701
10445934242
11209799aa6
1210541396a
1371505220
144332069c
15292389e7
hex1a946aa2

445934242 has 16 divisors (see below), whose sum is σ = 762729912. Its totient is φ = 193708800.

The previous prime is 445934231. The next prime is 445934243. The reversal of 445934242 is 242439544.

It can be written as a sum of positive squares in 4 ways, for example, as 318943881 + 126990361 = 17859^2 + 11269^2 .

It is a super-2 number, since 2×4459342422 = 397714696376229128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445934243) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 504009 + ... + 504892.

Almost surely, 2445934242 is an apocalyptic number.

445934242 is a deficient number, since it is larger than the sum of its proper divisors (316795670).

445934242 is a wasteful number, since it uses less digits than its factorization.

445934242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008933.

The product of its digits is 138240, while the sum is 37.

The square root of 445934242 is about 21117.1551587803. The cubic root of 445934242 is about 763.9945736208.

The spelling of 445934242 in words is "four hundred forty-five million, nine hundred thirty-four thousand, two hundred forty-two".

Divisors: 1 2 13 17 26 34 221 442 1008901 2017802 13115713 17151317 26231426 34302634 222967121 445934242