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420044024 = 23173088559
BaseRepresentation
bin11001000010010…
…101110011111000
31002021101110002002
4121002111303320
51330012402044
6105403000132
713260213101
oct3102256370
91067343062
10420044024
111a6116324
12b8809048
136903ba7a
143db013a8
1526d2274e
hex19095cf8

420044024 has 16 divisors (see below), whose sum is σ = 833911200. Its totient is φ = 197667712.

The previous prime is 420044021. The next prime is 420044071. The reversal of 420044024 is 420440024.

It is a super-3 number, since 3×4200440243 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 420043987 and 420044005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420044021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544144 + ... + 1544415.

It is an arithmetic number, because the mean of its divisors is an integer number (52119450).

Almost surely, 2420044024 is an apocalyptic number.

It is an amenable number.

420044024 is a deficient number, since it is larger than the sum of its proper divisors (413867176).

420044024 is a wasteful number, since it uses less digits than its factorization.

420044024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088582 (or 3088578 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 420044024 is about 20494.9755793951. The cubic root of 420044024 is about 748.9134036901.

Adding to 420044024 its reverse (420440024), we get a palindrome (840484048).

The spelling of 420044024 in words is "four hundred twenty million, forty-four thousand, twenty-four".

Divisors: 1 2 4 8 17 34 68 136 3088559 6177118 12354236 24708472 52505503 105011006 210022012 420044024