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1530900002 = 21973885533
BaseRepresentation
bin101101100111111…
…1010111000100010
310221200122210000002
41123033322320202
511113402300002
6411524300002
752636302212
oct13317727042
93850583002
101530900002
11716175915
12368841602
131b5220ab8
14107468242
158e600002
hex5b3fae22

1530900002 has 8 divisors (see below), whose sum is σ = 2308007196. Its totient is φ = 761564272.

The previous prime is 1530899989. The next prime is 1530900011. The reversal of 1530900002 is 2000090351.

It can be written as a sum of positive squares in 2 ways, for example, as 1294632361 + 236267641 = 35981^2 + 15371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×15309000022 = 4687309632247200008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1942373 + ... + 1943160.

Almost surely, 21530900002 is an apocalyptic number.

1530900002 is a deficient number, since it is larger than the sum of its proper divisors (777107194).

1530900002 is a wasteful number, since it uses less digits than its factorization.

1530900002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885732.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1530900002 is about 39126.7172402695. The cubic root of 1530900002 is about 1152.5212489906.

Adding to 1530900002 its reverse (2000090351), we get a palindrome (3530990353).

The spelling of 1530900002 in words is "one billion, five hundred thirty million, nine hundred thousand, two".

Divisors: 1 2 197 394 3885533 7771066 765450001 1530900002