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1530000022 = 2765000011
BaseRepresentation
bin101101100110001…
…1111001010010110
310221121222001110111
41123030133022112
511113140000042
6411453113234
752625533315
oct13314371226
93847861414
101530000022
11715710731
1236848881a
131b4c97275
141072b227c
158e4c3517
hex5b31f296

1530000022 has 4 divisors (see below), whose sum is σ = 2295000036. Its totient is φ = 765000010.

The previous prime is 1530000019. The next prime is 1530000029. The reversal of 1530000022 is 2200000351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2200000351 = 6613328291.

It is a junction number, because it is equal to n+sod(n) for n = 1529999957 and 1530000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530000029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382500004 + ... + 382500007.

It is an arithmetic number, because the mean of its divisors is an integer number (573750009).

Almost surely, 21530000022 is an apocalyptic number.

1530000022 is a deficient number, since it is larger than the sum of its proper divisors (765000014).

1530000022 is an equidigital number, since it uses as much as digits as its factorization.

1530000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765000013.

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

The square root of 1530000022 is about 39115.2147124364. The cubic root of 1530000022 is about 1152.2953580341.

Adding to 1530000022 its reverse (2200000351), we get a palindrome (3730000373).

The spelling of 1530000022 in words is "one billion, five hundred thirty million, twenty-two", and thus it is an aban number.

Divisors: 1 2 765000011 1530000022