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1827972050 = 25237988093
BaseRepresentation
bin110110011110100…
…1010001111010010
311201101122121020112
41230331022033102
512220430101200
6501215441322
763204335402
oct15475121722
94641577215
101827972050
1185892a503
12430226242
13231934c88
14134ab8802
15aa731535
hex6cf4a3d2

1827972050 has 24 divisors (see below), whose sum is σ = 3491924196. Its totient is φ = 711426240.

The previous prime is 1827972037. The next prime is 1827972079. The reversal of 1827972050 is 502797281.

It can be written as a sum of positive squares in 6 ways, for example, as 1515778489 + 312193561 = 38933^2 + 17669^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1827971989 and 1827972007.

It is an unprimeable number.

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, 492197 + ... + 495896.

Almost surely, 21827972050 is an apocalyptic number.

1827972050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1827972050 is a deficient number, since it is larger than the sum of its proper divisors (1663952146).

1827972050 is a wasteful number, since it uses less digits than its factorization.

1827972050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988142 (or 988137 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 1827972050 is about 42754.7897901510. The cubic root of 1827972050 is about 1222.7092104205.

The spelling of 1827972050 in words is "one billion, eight hundred twenty-seven million, nine hundred seventy-two thousand, fifty".

Divisors: 1 2 5 10 25 37 50 74 185 370 925 1850 988093 1976186 4940465 9880930 24702325 36559441 49404650 73118882 182797205 365594410 913986025 1827972050