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4445415031 = 19922338769
BaseRepresentation
bin1000010001111011…
…11010011001110111
3102110210211111000011
410020331322121313
533101011240111
62013040401051
7215106255451
oct41075723167
912423744004
104445415031
111981359122
12a40916187
1355aca44c5
1430257b2d1
151b040a021
hex108f7a677

4445415031 has 4 divisors (see below), whose sum is σ = 4467754000. Its totient is φ = 4423076064.

The previous prime is 4445414989. The next prime is 4445415089. The reversal of 4445415031 is 1305145444.

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 4445415031 - 225 = 4411860599 is a prime.

It is a super-2 number, since 2×44454150312 = 39523429595681461922, 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 = 4445414984 and 4445415002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445425031) 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, 11169186 + ... + 11169583.

It is an arithmetic number, because the mean of its divisors is an integer number (1116938500).

Almost surely, 24445415031 is an apocalyptic number.

4445415031 is a deficient number, since it is larger than the sum of its proper divisors (22338969).

4445415031 is a wasteful number, since it uses less digits than its factorization.

4445415031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22338968.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 4445415031 is about 66673.9456684543. The cubic root of 4445415031 is about 1644.2610577899.

The spelling of 4445415031 in words is "four billion, four hundred forty-five million, four hundred fifteen thousand, thirty-one".

Divisors: 1 199 22338769 4445415031