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3194401445 = 5638880289
BaseRepresentation
bin1011111001100110…
…1011001010100101
322020121211101222122
42332121223022211
523020231321240
61244551035325
7142105651514
oct27631531245
98217741878
103194401445
11139a17a0a4
1275196bb45
133bba5b491
1422436c67b
1513a6944b5
hexbe66b2a5

3194401445 has 4 divisors (see below), whose sum is σ = 3833281740. Its totient is φ = 2555521152.

The previous prime is 3194401393. The next prime is 3194401459. The reversal of 3194401445 is 5441044913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5441044913 = 20892604617.

It can be written as a sum of positive squares in 2 ways, for example, as 1105363009 + 2089038436 = 33247^2 + 45706^2 .

It is a cyclic number.

It is not a de Polignac number, because 3194401445 - 218 = 3194139301 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319440140 + ... + 319440149.

It is an arithmetic number, because the mean of its divisors is an integer number (958320435).

Almost surely, 23194401445 is an apocalyptic number.

It is an amenable number.

3194401445 is a deficient number, since it is larger than the sum of its proper divisors (638880295).

3194401445 is an equidigital number, since it uses as much as digits as its factorization.

3194401445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638880294.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 3194401445 is about 56519.0361294316. The cubic root of 3194401445 is about 1472.7527122493.

The spelling of 3194401445 in words is "three billion, one hundred ninety-four million, four hundred one thousand, four hundred forty-five".

Divisors: 1 5 638880289 3194401445