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1530153412 = 22382538353
BaseRepresentation
bin101101100110100…
…0100100111000100
310221122020211212121
41123031010213010
511113204402122
6411500255324
752630042444
oct13315044704
93848224777
101530153412
117158059a7
12368541544
131b501c028
14107312124
158e503bc7
hex5b3449c4

1530153412 has 6 divisors (see below), whose sum is σ = 2677768478. Its totient is φ = 765076704.

The previous prime is 1530153379. The next prime is 1530153413. The reversal of 1530153412 is 2143510351.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1408801156 + 121352256 = 37534^2 + 11016^2 .

It is not an unprimeable number, because it can be changed into a prime (1530153413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191269173 + ... + 191269180.

Almost surely, 21530153412 is an apocalyptic number.

It is an amenable number.

1530153412 is a deficient number, since it is larger than the sum of its proper divisors (1147615066).

1530153412 is a wasteful number, since it uses less digits than its factorization.

1530153412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382538357 (or 382538355 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1530153412 is about 39117.1754092751. The cubic root of 1530153412 is about 1152.3338644994. Note that the first 3 decimals are identical.

Adding to 1530153412 its reverse (2143510351), we get a palindrome (3673663763).

The spelling of 1530153412 in words is "one billion, five hundred thirty million, one hundred fifty-three thousand, four hundred twelve".

Divisors: 1 2 4 382538353 765076706 1530153412