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427601825 = 5272443439
BaseRepresentation
bin11001011111001…
…010111110100001
31002210121102102122
4121133022332201
51333431224300
6110232554025
713411361360
oct3137127641
91083542378
10427601825
111aa408642
12bb252915
136a786b41
1440b0b7d7
1527816c85
hex197cafa1

427601825 has 12 divisors (see below), whose sum is σ = 605973120. Its totient is φ = 293212560.

The previous prime is 427601819. The next prime is 427601861. The reversal of 427601825 is 528106724.

It is not a de Polignac number, because 427601825 - 210 = 427600801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 11 ways as a sum of consecutive naturals, for example, 1221545 + ... + 1221894.

It is an arithmetic number, because the mean of its divisors is an integer number (50497760).

Almost surely, 2427601825 is an apocalyptic number.

It is an amenable number.

427601825 is a deficient number, since it is larger than the sum of its proper divisors (178371295).

427601825 is a wasteful number, since it uses less digits than its factorization.

427601825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443456 (or 2443451 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 427601825 is about 20678.5353688311. The cubic root of 427601825 is about 753.3784328122.

The spelling of 427601825 in words is "four hundred twenty-seven million, six hundred one thousand, eight hundred twenty-five".

Divisors: 1 5 7 25 35 175 2443439 12217195 17104073 61085975 85520365 427601825