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1530681264 = 243271518533
BaseRepresentation
bin101101100111100…
…0101011110110000
310221200020122221200
41123033011132300
511113323300024
6411515451200
752634401410
oct13317053660
93850218850
101530681264
11716036542
12368756b00
131b5175378
1410740c640
158e5aa2c9
hex5b3c57b0

1530681264 has 60 divisors (see below), whose sum is σ = 4895753616. Its totient is φ = 437337216.

The previous prime is 1530681259. The next prime is 1530681281. The reversal of 1530681264 is 4621860351.

It is a happy number.

1530681264 is a `hidden beast` number, since 1 + 530 + 68 + 1 + 2 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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, 758259 + ... + 760274.

Almost surely, 21530681264 is an apocalyptic number.

1530681264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1530681264 is an abundant number, since it is smaller than the sum of its proper divisors (3365072352).

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

1530681264 is a wasteful number, since it uses less digits than its factorization.

1530681264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518554 (or 1518545 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1530681264 is about 39123.9218892994. The cubic root of 1530681264 is about 1152.4663548760.

The spelling of 1530681264 in words is "one billion, five hundred thirty million, six hundred eighty-one thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 1518533 3037066 4555599 6074132 9111198 10629731 12148264 13666797 18222396 21259462 24296528 27333594 31889193 36444792 42518924 54667188 63778386 72889584 85037848 95667579 109334376 127556772 170075696 191335158 218668752 255113544 382670316 510227088 765340632 1530681264