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4440100031 = 9414718491
BaseRepresentation
bin1000010001010011…
…01000110010111111
3102110102211110012022
410020221220302333
533043131200111
62012330430355
7215013141023
oct41051506277
912412743168
104440100031
111979358964
12a3ab923bb
13559b63233
14301996383
151aec0a2db
hex108a68cbf

4440100031 has 4 divisors (see below), whose sum is σ = 4444819464. Its totient is φ = 4435380600.

The previous prime is 4440100009. The next prime is 4440100037. The reversal of 4440100031 is 1300010444.

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 4440100031 - 210 = 4440099007 is a prime.

It is a super-2 number, since 2×44401000312 = 39428976570572401922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4440099982 and 4440100009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440100037) 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, 2358305 + ... + 2360186.

It is an arithmetic number, because the mean of its divisors is an integer number (1111204866).

Almost surely, 24440100031 is an apocalyptic number.

4440100031 is a deficient number, since it is larger than the sum of its proper divisors (4719433).

4440100031 is an equidigital number, since it uses as much as digits as its factorization.

4440100031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719432.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4440100031 is about 66634.0755995009. The cubic root of 4440100031 is about 1643.6054959958.

Adding to 4440100031 its reverse (1300010444), we get a palindrome (5740110475).

The spelling of 4440100031 in words is "four billion, four hundred forty million, one hundred thousand, thirty-one".

Divisors: 1 941 4718491 4440100031