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553520345 = 5731510157
BaseRepresentation
bin100000111111100…
…000110011011001
31102120112202011112
4200333200303121
52113200122340
6130531510105
716500562640
oct4077406331
91376482145
10553520345
112644a2034
12135458335
138a8a3941
1453728357
15338db065
hex20fe0cd9

553520345 has 16 divisors (see below), whose sum is σ = 783602688. Its totient is φ = 367312320.

The previous prime is 553520329. The next prime is 553520347. The reversal of 553520345 is 543025355.

553520345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 553520345 - 24 = 553520329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553520347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253994 + ... + 256163.

It is an arithmetic number, because the mean of its divisors is an integer number (48975168).

Almost surely, 2553520345 is an apocalyptic number.

It is an amenable number.

553520345 is a deficient number, since it is larger than the sum of its proper divisors (230082343).

553520345 is a wasteful number, since it uses less digits than its factorization.

553520345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510200.

The product of its (nonzero) digits is 45000, while the sum is 32.

The square root of 553520345 is about 23527.0130913382. The cubic root of 553520345 is about 821.0656109431.

The spelling of 553520345 in words is "five hundred fifty-three million, five hundred twenty thousand, three hundred forty-five".

Divisors: 1 5 7 31 35 155 217 1085 510157 2550785 3571099 15814867 17855495 79074335 110704069 553520345