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1982498275 = 5279299931
BaseRepresentation
bin111011000101010…
…1000010111100011
312010011102100101001
41312022220113203
513030004421100
6524415452431
7100061646232
oct16612502743
95104370331
101982498275
1192808332a
12473b27117
1325795a104
1414b420b19
15b90a6d6a
hex762a85e3

1982498275 has 6 divisors (see below), whose sum is σ = 2458297892. Its totient is φ = 1585998600.

The previous prime is 1982498269. The next prime is 1982498293. The reversal of 1982498275 is 5728942891.

It is not a de Polignac number, because 1982498275 - 227 = 1848280547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39649941 + ... + 39649990.

Almost surely, 21982498275 is an apocalyptic number.

1982498275 is a deficient number, since it is larger than the sum of its proper divisors (475799617).

1982498275 is an equidigital number, since it uses as much as digits as its factorization.

1982498275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79299941 (or 79299936 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 55.

The square root of 1982498275 is about 44525.2543507614. The cubic root of 1982498275 is about 1256.2351453240.

The spelling of 1982498275 in words is "one billion, nine hundred eighty-two million, four hundred ninety-eight thousand, two hundred seventy-five".

Divisors: 1 5 25 79299931 396499655 1982498275