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8445043941 = 313513208319
BaseRepresentation
bin1111101110101110…
…10010010011100101
3210210112211200102020
413313113102103211
5114243412401231
63513554333353
7416163455235
oct76727222345
923715750366
108445043941
113644009564
12177828a259
13a477c6029
145a1835cc5
1534660a396
hex1f75d24e5

8445043941 has 8 divisors (see below), whose sum is σ = 11260945920. Its totient is φ = 5629585632.

The previous prime is 8445043939. The next prime is 8445043949. The reversal of 8445043941 is 1493405448.

8445043941 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8445043941 - 21 = 8445043939 is a prime.

It is a super-2 number, since 2×84450439412 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8445043893 and 8445043902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8445043949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63621 + ... + 144698.

It is an arithmetic number, because the mean of its divisors is an integer number (1407618240).

Almost surely, 28445043941 is an apocalyptic number.

It is an amenable number.

8445043941 is a deficient number, since it is larger than the sum of its proper divisors (2815901979).

8445043941 is a wasteful number, since it uses less digits than its factorization.

8445043941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221835.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 8445043941 is about 91896.9201932252. The cubic root of 8445043941 is about 2036.4197696744.

The spelling of 8445043941 in words is "eight billion, four hundred forty-five million, forty-three thousand, nine hundred forty-one".

Divisors: 1 3 13513 40539 208319 624957 2815014647 8445043941