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535472161 = 776496023
BaseRepresentation
bin11111111010101…
…010100000100001
31101022120210201021
4133322222200201
52044040102121
6125045005441
716161303220
oct3772524041
91338523637
10535472161
11255295184
1212b3b3881
1386c24a43
145118acb7
1532023641
hex1feaa821

535472161 has 4 divisors (see below), whose sum is σ = 611968192. Its totient is φ = 458976132.

The previous prime is 535472159. The next prime is 535472173. The reversal of 535472161 is 161274535.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161274535 = 532254907.

It is a cyclic number.

It is not a de Polignac number, because 535472161 - 21 = 535472159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535472101) 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, 38248005 + ... + 38248018.

It is an arithmetic number, because the mean of its divisors is an integer number (152992048).

Almost surely, 2535472161 is an apocalyptic number.

It is an amenable number.

535472161 is a deficient number, since it is larger than the sum of its proper divisors (76496031).

535472161 is an equidigital number, since it uses as much as digits as its factorization.

535472161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76496030.

The product of its digits is 25200, while the sum is 34.

The square root of 535472161 is about 23140.2714115457. The cubic root of 535472161 is about 812.0428853121.

The spelling of 535472161 in words is "five hundred thirty-five million, four hundred seventy-two thousand, one hundred sixty-one".

Divisors: 1 7 76496023 535472161