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28152050 = 252563041
BaseRepresentation
bin110101101100…
…1000011110010
31221222021100112
41223121003302
524201331200
62443221322
7461200643
oct153310362
957867315
1028152050
1114989063
129517842
135aa8b24
143a4b6ca
152711535
hex1ad90f2

28152050 has 12 divisors (see below), whose sum is σ = 52362906. Its totient is φ = 11260800.

The previous prime is 28152043. The next prime is 28152067. The reversal of 28152050 is 5025182.

It can be written as a sum of positive squares in 3 ways, for example, as 10621081 + 17530969 = 3259^2 + 4187^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 281471 + ... + 281570.

Almost surely, 228152050 is an apocalyptic number.

28152050 is a deficient number, since it is larger than the sum of its proper divisors (24210856).

28152050 is a wasteful number, since it uses less digits than its factorization.

28152050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563053 (or 563048 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 28152050 is about 5305.8505444462. The cubic root of 28152050 is about 304.2075639844.

The spelling of 28152050 in words is "twenty-eight million, one hundred fifty-two thousand, fifty".

Divisors: 1 2 5 10 25 50 563041 1126082 2815205 5630410 14076025 28152050