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1530231006 = 231915798501
BaseRepresentation
bin101101100110101…
…0111100011011110
310221122101210022110
41123031113203132
511113214343011
6411502054450
752630514613
oct13315274336
93848353273
101530231006
11715859227
1236857a426
131b5048445
1410733250a
158e51bba6
hex5b3578de

1530231006 has 32 divisors (see below), whose sum is σ = 3223958400. Its totient is φ = 482868000.

The previous prime is 1530230993. The next prime is 1530231007. The reversal of 1530231006 is 6001320351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530231007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175756 + ... + 184256.

It is an arithmetic number, because the mean of its divisors is an integer number (100748700).

Almost surely, 21530231006 is an apocalyptic number.

1530231006 is an abundant number, since it is smaller than the sum of its proper divisors (1693727394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1530231006 is a wasteful number, since it uses less digits than its factorization.

1530231006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10104.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1530231006 is about 39118.1672116678. The cubic root of 1530231006 is about 1152.3533424337.

Adding to 1530231006 its reverse (6001320351), we get a palindrome (7531551357).

The spelling of 1530231006 in words is "one billion, five hundred thirty million, two hundred thirty-one thousand, six".

Divisors: 1 2 3 6 19 38 57 114 1579 3158 4737 8501 9474 17002 25503 30001 51006 60002 90003 161519 180006 323038 484557 969114 13423079 26846158 40269237 80538474 255038501 510077002 765115503 1530231006