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1530043023 = 31213420457
BaseRepresentation
bin101101100110010…
…1001101010001111
310221122001020110010
41123030221222033
511113142334043
6411454044303
752626102555
oct13314515217
93848036403
101530043023
1171573aa73
123684a9693
131b4cb0a02
141072c3bd5
158e4d1133
hex5b329a8f

1530043023 has 8 divisors (see below), whose sum is σ = 2041744048. Its totient is φ = 1019185344.

The previous prime is 1530043013. The next prime is 1530043049. The reversal of 1530043023 is 3203400351.

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

It is not a de Polignac number, because 1530043023 - 25 = 1530042991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530043013) 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 7 ways as a sum of consecutive naturals, for example, 206590 + ... + 213867.

It is an arithmetic number, because the mean of its divisors is an integer number (255218006).

Almost surely, 21530043023 is an apocalyptic number.

1530043023 is a deficient number, since it is larger than the sum of its proper divisors (511701025).

1530043023 is a wasteful number, since it uses less digits than its factorization.

1530043023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421673.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 1530043023 is about 39115.7643795951. The cubic root of 1530043023 is about 1152.3061531077.

Adding to 1530043023 its reverse (3203400351), we get a palindrome (4733443374).

The spelling of 1530043023 in words is "one billion, five hundred thirty million, forty-three thousand, twenty-three".

Divisors: 1 3 1213 3639 420457 1261371 510014341 1530043023