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30450001 = 37822973
BaseRepresentation
bin111010000101…
…0000101010001
32010022000112211
41310022011101
530243400001
63004352121
7516551341
oct164120521
963260484
1030450001
111620859a
12a245641
136401a6a
144088d21
152a17351
hex1d0a151

30450001 has 4 divisors (see below), whose sum is σ = 31273012. Its totient is φ = 29626992.

The previous prime is 30449963. The next prime is 30450011. The reversal of 30450001 is 10005403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10005403 = 61164023.

It can be written as a sum of positive squares in 2 ways, for example, as 29419776 + 1030225 = 5424^2 + 1015^2 .

It is a cyclic number.

It is not a de Polignac number, because 30450001 - 217 = 30318929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30450011) 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, 411450 + ... + 411523.

It is an arithmetic number, because the mean of its divisors is an integer number (7818253).

Almost surely, 230450001 is an apocalyptic number.

It is an amenable number.

30450001 is a deficient number, since it is larger than the sum of its proper divisors (823011).

30450001 is an equidigital number, since it uses as much as digits as its factorization.

30450001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823010.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 30450001 is about 5518.1519551386. The cubic root of 30450001 is about 312.2691662792.

Adding to 30450001 its reverse (10005403), we get a palindrome (40455404).

It can be divided in two parts, 304 and 50001, that added together give a palindrome (50305).

The spelling of 30450001 in words is "thirty million, four hundred fifty thousand, one".

Divisors: 1 37 822973 30450001