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1828132731 = 32203125859
BaseRepresentation
bin110110011110111…
…0001011101111011
311201101221202122200
41230331301131323
512221000221411
6501223121243
763205605015
oct15475613573
94641852580
101828132731
11858a2a1a7
124302a3223
13231990159
14134b1b1b5
15aa763e56
hex6cf7177b

1828132731 has 6 divisors (see below), whose sum is σ = 2640636180. Its totient is φ = 1218755148.

The previous prime is 1828132717. The next prime is 1828132777. The reversal of 1828132731 is 1372318281.

It is not a de Polignac number, because 1828132731 - 214 = 1828116347 is a prime.

It is a super-2 number, since 2×18281327312 = 6684138564307036722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1828132331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101562921 + ... + 101562938.

It is an arithmetic number, because the mean of its divisors is an integer number (440106030).

Almost surely, 21828132731 is an apocalyptic number.

1828132731 is a deficient number, since it is larger than the sum of its proper divisors (812503449).

1828132731 is a wasteful number, since it uses less digits than its factorization.

1828132731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203125865 (or 203125862 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 1828132731 is about 42756.6688482627. The cubic root of 1828132731 is about 1222.7450352539.

The spelling of 1828132731 in words is "one billion, eight hundred twenty-eight million, one hundred thirty-two thousand, seven hundred thirty-one".

Divisors: 1 3 9 203125859 609377577 1828132731