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420554541 = 31112744077
BaseRepresentation
bin11001000100010…
…010011100101101
31002022100101101010
4121010102130231
51330130221131
6105421535433
713264440351
oct3104223455
91068311333
10420554541
111a6434940
12b8a14579
136918a254
143dbd5461
1526dc3b46
hex1911272d

420554541 has 8 divisors (see below), whose sum is σ = 611715744. Its totient is φ = 254881520.

The previous prime is 420554521. The next prime is 420554567. The reversal of 420554541 is 145455024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420554541 - 25 = 420554509 is a prime.

It is a super-2 number, since 2×4205545412 = 353732243911441362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420554499 and 420554508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420554521) 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, 6372006 + ... + 6372071.

It is an arithmetic number, because the mean of its divisors is an integer number (76464468).

Almost surely, 2420554541 is an apocalyptic number.

It is an amenable number.

420554541 is a deficient number, since it is larger than the sum of its proper divisors (191161203).

420554541 is a wasteful number, since it uses less digits than its factorization.

420554541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12744091.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 420554541 is about 20507.4264840813. The cubic root of 420554541 is about 749.2166879589.

The spelling of 420554541 in words is "four hundred twenty million, five hundred fifty-four thousand, five hundred forty-one".

Divisors: 1 3 11 33 12744077 38232231 140184847 420554541