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425268779 = 13127925577
BaseRepresentation
bin11001010110010…
…001011000101011
31002122012220002112
4121112101120223
51332332100104
6110110552535
713352503445
oct3126213053
91078186075
10425268779
111a9064801
12ba50874b
136a14ac40
14406a1495
152750586e
hex1959162b

425268779 has 8 divisors (see below), whose sum is σ = 458357760. Its totient is φ = 392233536.

The previous prime is 425268763. The next prime is 425268791. The reversal of 425268779 is 977862524.

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 425268779 - 24 = 425268763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425268749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3839 + ... + 29415.

It is an arithmetic number, because the mean of its divisors is an integer number (57294720).

Almost surely, 2425268779 is an apocalyptic number.

425268779 is a deficient number, since it is larger than the sum of its proper divisors (33088981).

425268779 is a wasteful number, since it uses less digits than its factorization.

425268779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26869.

The product of its digits is 1693440, while the sum is 50.

The square root of 425268779 is about 20622.0459460258. The cubic root of 425268779 is about 752.0057594200.

The spelling of 425268779 in words is "four hundred twenty-five million, two hundred sixty-eight thousand, seven hundred seventy-nine".

Divisors: 1 13 1279 16627 25577 332501 32712983 425268779