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2030404456 = 23253800557
BaseRepresentation
bin111100100000101…
…1000001101101000
312020111120020022001
41321001120031220
513124240420311
6533250340344
7101213103343
oct17101301550
95214506261
102030404456
11952123a13
12487b8a6b4
13264861472
1415393145a
15bd3bb4c1
hex79058368

2030404456 has 8 divisors (see below), whose sum is σ = 3807008370. Its totient is φ = 1015202224.

The previous prime is 2030404433. The next prime is 2030404457. The reversal of 2030404456 is 6544040302.

It can be written as a sum of positive squares in only one way, i.e., 1701562500 + 328841956 = 41250^2 + 18134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2030404457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126900271 + ... + 126900286.

Almost surely, 22030404456 is an apocalyptic number.

It is an amenable number.

2030404456 is a deficient number, since it is larger than the sum of its proper divisors (1776603914).

2030404456 is a wasteful number, since it uses less digits than its factorization.

2030404456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253800563 (or 253800559 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2030404456 is about 45060.0094984455. The cubic root of 2030404456 is about 1266.2735030315.

Adding to 2030404456 its reverse (6544040302), we get a palindrome (8574444758).

The spelling of 2030404456 in words is "two billion, thirty million, four hundred four thousand, four hundred fifty-six".

Divisors: 1 2 4 8 253800557 507601114 1015202228 2030404456