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554047645 = 5653169693
BaseRepresentation
bin100001000001100…
…001100010011101
31102121112112111011
4201001201202131
52113314011040
6130551055221
716505220154
oct4101414235
91377475434
10554047645
11264822218
12135671511
138aa29958
145382459b
15339923ea
hex2106189d

554047645 has 8 divisors (see below), whose sum is σ = 665879256. Its totient is φ = 442556736.

The previous prime is 554047603. The next prime is 554047651. The reversal of 554047645 is 546740455.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10201 + 554037444 = 101^2 + 23538^2 .

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 554047645 - 29 = 554047133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 554047598 and 554047607.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 81582 + ... + 88111.

It is an arithmetic number, because the mean of its divisors is an integer number (83234907).

Almost surely, 2554047645 is an apocalyptic number.

It is an amenable number.

554047645 is a deficient number, since it is larger than the sum of its proper divisors (111831611).

554047645 is a wasteful number, since it uses less digits than its factorization.

554047645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170351.

The product of its (nonzero) digits is 336000, while the sum is 40.

The square root of 554047645 is about 23538.2166911599. The cubic root of 554047645 is about 821.3262520641.

The spelling of 554047645 in words is "five hundred fifty-four million, forty-seven thousand, six hundred forty-five".

Divisors: 1 5 653 3265 169693 848465 110809529 554047645