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425271377 = 3797118493
BaseRepresentation
bin11001010110010…
…010000001010001
31002122020000122202
4121112102001101
51332332141002
6110111012545
713352514146
oct3126220121
91078200582
10425271377
111a9066753
12ba50a155
136a14c18b
14406a23cd
1527506502
hex19592051

425271377 has 8 divisors (see below), whose sum is σ = 441271656. Its totient is φ = 409508352.

The previous prime is 425271359. The next prime is 425271397. The reversal of 425271377 is 773172524.

It can be written as a sum of positive squares in 4 ways, for example, as 51854401 + 373416976 = 7201^2 + 19324^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425271377 - 26 = 425271313 is a prime.

It is a super-2 number, since 2×4252713772 = 361711488190952258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425271377.

It is not an unprimeable number, because it can be changed into a prime (425271317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55658 + ... + 62835.

It is an arithmetic number, because the mean of its divisors is an integer number (55158957).

Almost surely, 2425271377 is an apocalyptic number.

It is an amenable number.

425271377 is a deficient number, since it is larger than the sum of its proper divisors (16000279).

425271377 is a wasteful number, since it uses less digits than its factorization.

425271377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118627.

The product of its digits is 82320, while the sum is 38.

The square root of 425271377 is about 20622.1089367698. The cubic root of 425271377 is about 752.0072907708.

The spelling of 425271377 in words is "four hundred twenty-five million, two hundred seventy-one thousand, three hundred seventy-seven".

Divisors: 1 37 97 3589 118493 4384241 11493821 425271377