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1520283528 = 233237570677
BaseRepresentation
bin101101010011101…
…1010111110001000
310220221200101221100
41122213122332020
511103143033103
6410504541400
752450124331
oct13247327610
93827611840
101520283528
11710184575
12365181860
131b2c7476a
14105ca3288
158d7045a3
hex5a9daf88

1520283528 has 48 divisors (see below), whose sum is σ = 4228723980. Its totient is φ = 493064064.

The previous prime is 1520283511. The next prime is 1520283529. The reversal of 1520283528 is 8253820251.

1520283528 is a `hidden beast` number, since 1 + 52 + 0 + 2 + 83 + 528 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1218149604 + 302133924 = 34902^2 + 17382^2 .

It is a super-2 number, since 2×15202835282 = 4622524011016253568, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1520283492 and 1520283501.

It is not an unprimeable number, because it can be changed into a prime (1520283529) 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 11 ways as a sum of consecutive naturals, for example, 282675 + ... + 288002.

Almost surely, 21520283528 is an apocalyptic number.

1520283528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1520283528 is an abundant number, since it is smaller than the sum of its proper divisors (2708440452).

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

1520283528 is a wasteful number, since it uses less digits than its factorization.

1520283528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570726 (or 570719 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 1520283528 is about 38990.8133795642. The cubic root of 1520283528 is about 1149.8509014010.

The spelling of 1520283528 in words is "one billion, five hundred twenty million, two hundred eighty-three thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 37 72 74 111 148 222 296 333 444 666 888 1332 2664 570677 1141354 1712031 2282708 3424062 4565416 5136093 6848124 10272186 13696248 20544372 21115049 41088744 42230098 63345147 84460196 126690294 168920392 190035441 253380588 380070882 506761176 760141764 1520283528