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5450030821 = 41772717203
BaseRepresentation
bin1010001001101100…
…01101111011100101
3112001211012020210101
411010312031323211
542130201441241
62300445024101
7252025332454
oct50466157345
915054166711
105450030821
112347444904
121081255031
1368b169611
14399b6ab9b
1521d6ede31
hex144d8dee5

5450030821 has 8 divisors (see below), whose sum is σ = 5584005504. Its totient is φ = 5316106080.

The previous prime is 5450030791. The next prime is 5450030843. The reversal of 5450030821 is 1280300545.

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

It is a cyclic number.

It is not a de Polignac number, because 5450030821 - 29 = 5450030309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5450030821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5450030881) 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, 308206 + ... + 325408.

It is an arithmetic number, because the mean of its divisors is an integer number (698000688).

Almost surely, 25450030821 is an apocalyptic number.

It is an amenable number.

5450030821 is a deficient number, since it is larger than the sum of its proper divisors (133974683).

5450030821 is a wasteful number, since it uses less digits than its factorization.

5450030821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24971.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 5450030821 is about 73824.3240470240. The cubic root of 5450030821 is about 1759.8121809088.

The spelling of 5450030821 in words is "five billion, four hundred fifty million, thirty thousand, eight hundred twenty-one".

Divisors: 1 41 7727 17203 316807 705323 132927581 5450030821