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1530213100 = 2252131177087
BaseRepresentation
bin101101100110101…
…0011001011101100
310221122100212202021
41123031103023230
511113213304400
6411501435524
752630411453
oct13315231354
93848325667
101530213100
11715846829
1236856bba4
131b5040250
14107329b9a
158e51671a
hex5b3532ec

1530213100 has 36 divisors (see below), whose sum is σ = 3575993344. Its totient is φ = 565001280.

The previous prime is 1530213071. The next prime is 1530213109. The reversal of 1530213100 is 13120351.

It is a super-2 number, since 2×15302131002 = 4683104262823220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1530213109) 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 in 11 ways as a sum of consecutive naturals, for example, 587244 + ... + 589843.

Almost surely, 21530213100 is an apocalyptic number.

1530213100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530213100 is an abundant number, since it is smaller than the sum of its proper divisors (2045780244).

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

1530213100 is a wasteful number, since it uses less digits than its factorization.

1530213100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177114 (or 1177107 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1530213100 is about 39117.9383403574. The cubic root of 1530213100 is about 1152.3488476614.

Adding to 1530213100 its reverse (13120351), we get a palindrome (1543333451).

The spelling of 1530213100 in words is "one billion, five hundred thirty million, two hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 1177087 2354174 4708348 5885435 11770870 15302131 23541740 29427175 30604262 58854350 61208524 76510655 117708700 153021310 306042620 382553275 765106550 1530213100