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553461213 = 323431671117
BaseRepresentation
bin100000111111010…
…010010111011101
31102120102202001110
4200333102113131
52113141224323
6130530332233
716500225354
oct4077222735
91376382043
10553461213
11264461668
1213542a079
138a882a56
145371099b
15338c8793
hex20fd25dd

553461213 has 32 divisors (see below), whose sum is σ = 793368576. Its totient is φ = 342353088.

The previous prime is 553461211. The next prime is 553461217. The reversal of 553461213 is 312164355.

It is not a de Polignac number, because 553461213 - 21 = 553461211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553461211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494931 + ... + 496047.

It is an arithmetic number, because the mean of its divisors is an integer number (24792768).

Almost surely, 2553461213 is an apocalyptic number.

It is an amenable number.

553461213 is a deficient number, since it is larger than the sum of its proper divisors (239907363).

553461213 is a wasteful number, since it uses less digits than its factorization.

553461213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353.

The product of its digits is 10800, while the sum is 30.

The square root of 553461213 is about 23525.7563746631. The cubic root of 553461213 is about 821.0363720415.

The spelling of 553461213 in words is "five hundred fifty-three million, four hundred sixty-one thousand, two hundred thirteen".

Divisors: 1 3 23 43 69 129 167 501 989 1117 2967 3351 3841 7181 11523 21543 25691 48031 77073 144093 165163 186539 495489 559617 1104713 3314139 4290397 8021177 12871191 24063531 184487071 553461213