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380661852484 = 223084892
BaseRepresentation
bin1011000101000010011…
…01101110100101000100
31100101112222102200200001
411202201031232211010
522214043413234414
6450512412331044
736334104234124
oct5424115564504
91311488380601
10380661852484
1113748a767a01
1261936a73a84
1329b861074c4
14145d1b64c84
159d7dd17074
hex58a136e944

380661852484 has 9 divisors (see below), whose sum is σ = 666160401277. Its totient is φ = 190330309264.

The previous prime is 380661852481. The next prime is 380661852491. The reversal of 380661852484 is 484258166083.

The square root of 380661852484 is 616978.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 197066742084 + 183595110400 = 443922^2 + 428480^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380661852481) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 1079712 + ... + 1388200.

Almost surely, 2380661852484 is an apocalyptic number.

380661852484 is the 616978-th square number.

It is an amenable number.

380661852484 is a deficient number, since it is larger than the sum of its proper divisors (285498548793).

380661852484 is an frugal number, since it uses more digits than its factorization.

380661852484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616982 (or 308491 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 55.

The spelling of 380661852484 in words is "three hundred eighty billion, six hundred sixty-one million, eight hundred fifty-two thousand, four hundred eighty-four".

Divisors: 1 2 4 308489 616978 1233956 95165463121 190330926242 380661852484