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4445178404 = 223018136821
BaseRepresentation
bin1000010001111010…
…00000101000100100
3102110210101110102012
410020331000220210
533100431202104
62013031333352
7215104251542
oct41075005044
912423343365
104445178404
111981207367
12a40821258
1355ac208a4
14302518d92
151b03aed6e
hex108f40a24

4445178404 has 12 divisors (see below), whose sum is σ = 7779531228. Its totient is φ = 2222455200.

The previous prime is 4445178391. The next prime is 4445178407. The reversal of 4445178404 is 4048715444.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1730560000 + 2714618404 = 41600^2 + 52102^2 .

It is a super-2 number, since 2×44451784042 = 39519222086775974432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4445178407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102314 + ... + 139134.

It is an arithmetic number, because the mean of its divisors is an integer number (648294269).

Almost surely, 24445178404 is an apocalyptic number.

It is an amenable number.

4445178404 is a deficient number, since it is larger than the sum of its proper divisors (3334352824).

4445178404 is a wasteful number, since it uses less digits than its factorization.

4445178404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67006 (or 67004 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 41.

The square root of 4445178404 is about 66672.1711360895. The cubic root of 4445178404 is about 1644.2318829013.

The spelling of 4445178404 in words is "four billion, four hundred forty-five million, one hundred seventy-eight thousand, four hundred four".

Divisors: 1 2 4 30181 36821 60362 73642 120724 147284 1111294601 2222589202 4445178404