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4445500031 = 7635071433
BaseRepresentation
bin1000010001111100…
…01111001001111111
3102110210222210121022
410020332033021333
533101022000111
62013042254355
7215110061330
oct41076171177
912423883538
104445500031
111981406a75
12a409573bb
1355b0040bb
143025a0287
151b04252db
hex108f8f27f

4445500031 has 4 divisors (see below), whose sum is σ = 5080571472. Its totient is φ = 3810428592.

The previous prime is 4445500019. The next prime is 4445500039. The reversal of 4445500031 is 1300055444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4445500031 - 230 = 3371758207 is a prime.

It is a super-2 number, since 2×44455000312 = 39524941051242001922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445500039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317535710 + ... + 317535723.

It is an arithmetic number, because the mean of its divisors is an integer number (1270142868).

Almost surely, 24445500031 is an apocalyptic number.

4445500031 is a deficient number, since it is larger than the sum of its proper divisors (635071441).

4445500031 is an equidigital number, since it uses as much as digits as its factorization.

4445500031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635071440.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4445500031 is about 66674.5830958095. The cubic root of 4445500031 is about 1644.2715375987.

Adding to 4445500031 its reverse (1300055444), we get a palindrome (5745555475).

The spelling of 4445500031 in words is "four billion, four hundred forty-five million, five hundred thousand, thirty-one".

Divisors: 1 7 635071433 4445500031