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1529306930 = 25735214021
BaseRepresentation
bin101101100100111…
…0101111100110010
310221120122211201102
41123021311330302
511113000310210
6411430204402
752616615534
oct13311657462
93846584642
101529306930
11715287a28
123681b3702
131b4ab3958
14107171854
158e3d7ea5
hex5b275f32

1529306930 has 32 divisors (see below), whose sum is σ = 2796512688. Its totient is φ = 602035200.

The previous prime is 1529306923. The next prime is 1529306939. The reversal of 1529306930 is 396039251.

It can be written as a sum of positive squares in 8 ways, for example, as 198443569 + 1330863361 = 14087^2 + 36481^2 .

It is a super-2 number, since 2×15293069302 = 4677559372292049800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1529306939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378320 + ... + 382340.

Almost surely, 21529306930 is an apocalyptic number.

1529306930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1529306930 is a deficient number, since it is larger than the sum of its proper divisors (1267205758).

1529306930 is a wasteful number, since it uses less digits than its factorization.

1529306930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 1529306930 is about 39106.3540872836. The cubic root of 1529306930 is about 1152.1213346552.

The spelling of 1529306930 in words is "one billion, five hundred twenty-nine million, three hundred six thousand, nine hundred thirty".

Divisors: 1 2 5 10 73 146 365 521 730 1042 2605 4021 5210 8042 20105 38033 40210 76066 190165 293533 380330 587066 1467665 2094941 2935330 4189882 10474705 20949410 152930693 305861386 764653465 1529306930