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1520275060 = 22576013753
BaseRepresentation
bin101101010011101…
…1000111001110100
310220221122222022201
41122213120321310
511103142300220
6410504434244
752450060543
oct13247307164
93827588281
101520275060
11710179177
12365178984
131b2c70955
14105ca015a
158d701d0a
hex5a9d8e74

1520275060 has 12 divisors (see below), whose sum is σ = 3192577668. Its totient is φ = 608110016.

The previous prime is 1520275037. The next prime is 1520275067. The reversal of 1520275060 is 605720251.

It can be written as a sum of positive squares in 2 ways, for example, as 929396196 + 590878864 = 30486^2 + 24308^2 .

It is a super-2 number, since 2×15202750602 = 4622472516116007200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520275067) 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 3 ways as a sum of consecutive naturals, for example, 38006857 + ... + 38006896.

It is an arithmetic number, because the mean of its divisors is an integer number (266048139).

Almost surely, 21520275060 is an apocalyptic number.

1520275060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1520275060 is an abundant number, since it is smaller than the sum of its proper divisors (1672302608).

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

1520275060 is a wasteful number, since it uses less digits than its factorization.

1520275060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76013762 (or 76013760 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1520275060 is about 38990.7047897316. The cubic root of 1520275060 is about 1149.8487665020.

The spelling of 1520275060 in words is "one billion, five hundred twenty million, two hundred seventy-five thousand, sixty".

Divisors: 1 2 4 5 10 20 76013753 152027506 304055012 380068765 760137530 1520275060