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1530122152 = 2313113130201
BaseRepresentation
bin101101100110011…
…1100111110101000
310221122012020222211
41123030330332220
511113202402102
6411455454504
752626552346
oct13314747650
93848166884
101530122152
11715794469
12368527434
131b500aa30
14107304996
158e4e97d7
hex5b33cfa8

1530122152 has 32 divisors (see below), whose sum is σ = 3117035880. Its totient is φ = 699955200.

The previous prime is 1530122141. The next prime is 1530122159. The reversal of 1530122152 is 2512210351.

It can be written as a sum of positive squares in 4 ways, for example, as 404251236 + 1125870916 = 20106^2 + 33554^2 .

It is a super-2 number, since 2×15301221522 = 4682547600082222208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1530122159) 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, 53349 + ... + 76852.

Almost surely, 21530122152 is an apocalyptic number.

It is an amenable number.

1530122152 is an abundant number, since it is smaller than the sum of its proper divisors (1586913728).

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

1530122152 is a wasteful number, since it uses less digits than its factorization.

1530122152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130333 (or 130329 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1530122152 is about 39116.7758385069. The cubic root of 1530122152 is about 1152.3260173120.

The spelling of 1530122152 in words is "one billion, five hundred thirty million, one hundred twenty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 113 226 452 904 1469 2938 5876 11752 130201 260402 520804 1041608 1692613 3385226 6770452 13540904 14712713 29425426 58850852 117701704 191265269 382530538 765061076 1530122152