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1530519042 = 2313315771097
BaseRepresentation
bin101101100111001…
…1101111000000010
310221122221102102110
41123032131320002
511113303102132
6411512200150
752633124433
oct13316357002
93848842373
101530519042
11715a35678
12368699056
131b5119590
141073a948a
158e5771cc
hex5b39de02

1530519042 has 64 divisors (see below), whose sum is σ = 3411846144. Its totient is φ = 454533120.

The previous prime is 1530519041. The next prime is 1530519043. The reversal of 1530519042 is 2409150351.

1530519042 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1530519041) and next prime (1530519043).

It is not an unprimeable number, because it can be changed into a prime (1530519041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1394638 + ... + 1395734.

It is an arithmetic number, because the mean of its divisors is an integer number (53310096).

Almost surely, 21530519042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1530519042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1705923072).

1530519042 is an abundant number, since it is smaller than the sum of its proper divisors (1881327102).

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

1530519042 is a wasteful number, since it uses less digits than its factorization.

1530519042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1530519042 is about 39121.8486526391. The cubic root of 1530519042 is about 1152.4256405426.

Adding to 1530519042 its reverse (2409150351), we get a palindrome (3939669393).

The spelling of 1530519042 in words is "one billion, five hundred thirty million, five hundred nineteen thousand, forty-two".

Divisors: 1 2 3 6 13 26 31 39 62 78 93 186 403 577 806 1097 1154 1209 1731 2194 2418 3291 3462 6582 7501 14261 15002 17887 22503 28522 34007 35774 42783 45006 53661 68014 85566 102021 107322 204042 232531 442091 465062 632969 697593 884182 1265938 1326273 1395186 1898907 2652546 3797814 8228597 16457194 19622039 24685791 39244078 49371582 58866117 117732234 255086507 510173014 765259521 1530519042