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5243641632 = 253218207089
BaseRepresentation
bin1001110001000101…
…11001111100100000
3111112102211121001100
410320202321330200
541214333013012
62224153234400
7243641134635
oct47042717440
914472747040
105243641632
112250998629
121024102a00
13657486138
1437a5a418c
1520a5318dc
hex1388b9f20

5243641632 has 36 divisors (see below), whose sum is σ = 14911606710. Its totient is φ = 1747880448.

The previous prime is 5243641631. The next prime is 5243641639. The reversal of 5243641632 is 2361463425.

5243641632 is a `hidden beast` number, since 5 + 2 + 4 + 3 + 641 + 6 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4634341776 + 609299856 = 68076^2 + 24684^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5243641631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9103257 + ... + 9103832.

Almost surely, 25243641632 is an apocalyptic number.

It is an amenable number.

5243641632 is an abundant number, since it is smaller than the sum of its proper divisors (9667965078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5243641632 is a wasteful number, since it uses less digits than its factorization.

5243641632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18207105 (or 18207094 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 5243641632 is about 72412.9935301669. The cubic root of 5243641632 is about 1737.3113927529.

The spelling of 5243641632 in words is "five billion, two hundred forty-three million, six hundred forty-one thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 18207089 36414178 54621267 72828356 109242534 145656712 163863801 218485068 291313424 327727602 436970136 582626848 655455204 873940272 1310910408 1747880544 2621820816 5243641632