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1142528850 = 232522538953
BaseRepresentation
bin100010000011001…
…1001101101010010
32221121212110221100
41010012121231102
54314441410400
6305212205230
740212222621
oct10406315522
92847773840
101142528850
11536a22921
1227a769816
13152921598
14aba4d6b8
156a487100
hex44199b52

1142528850 has 36 divisors (see below), whose sum is σ = 3069595386. Its totient is φ = 304674240.

The previous prime is 1142528819. The next prime is 1142528851. The reversal of 1142528850 is 588252411.

1142528850 is a `hidden beast` number, since 11 + 42 + 528 + 85 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1104299361 + 38229489 = 33231^2 + 6183^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1142528851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1269027 + ... + 1269926.

Almost surely, 21142528850 is an apocalyptic number.

1142528850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142528850 is an abundant number, since it is smaller than the sum of its proper divisors (1927066536).

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

1142528850 is a wasteful number, since it uses less digits than its factorization.

1142528850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538971 (or 2538963 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 1142528850 is about 33801.3143235585. The cubic root of 1142528850 is about 1045.4157972349.

The spelling of 1142528850 in words is "one billion, one hundred forty-two million, five hundred twenty-eight thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 2538953 5077906 7616859 12694765 15233718 22850577 25389530 38084295 45701154 63473825 76168590 114252885 126947650 190421475 228505770 380842950 571264425 1142528850