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1830664532 = 22593771781
BaseRepresentation
bin110110100011101…
…1011100101010100
311201120201101122002
41231013123211110
512222122231112
6501353254432
763236251244
oct15507334524
94646641562
101830664532
1185a3a93a4
12431104418
13232368668
141351b9b24
15aaab41c2
hex6d1db954

1830664532 has 12 divisors (see below), whose sum is σ = 3209069556. Its totient is φ = 913787520.

The previous prime is 1830664529. The next prime is 1830664541. The reversal of 1830664532 is 2354660381.

It can be written as a sum of positive squares in 2 ways, for example, as 417957136 + 1412707396 = 20444^2 + 37586^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 383519 + ... + 388262.

It is an arithmetic number, because the mean of its divisors is an integer number (267422463).

Almost surely, 21830664532 is an apocalyptic number.

It is an amenable number.

1830664532 is a deficient number, since it is larger than the sum of its proper divisors (1378405024).

1830664532 is a wasteful number, since it uses less digits than its factorization.

1830664532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772378 (or 772376 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 1830664532 is about 42786.2656935611. The cubic root of 1830664532 is about 1223.3092391978.

The spelling of 1830664532 in words is "one billion, eight hundred thirty million, six hundred sixty-four thousand, five hundred thirty-two".

Divisors: 1 2 4 593 1186 2372 771781 1543562 3087124 457666133 915332266 1830664532