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665013470 = 25116045577
BaseRepresentation
bin100111101000110…
…100110011011110
31201100100011222112
4213220310303132
52330220412340
6145553314022
722323343532
oct4750646336
91640304875
10665013470
11311423510
12166865912
13a7a0c7c4
146446bbc2
153d5b1065
hex27a34cde

665013470 has 16 divisors (see below), whose sum is σ = 1305844848. Its totient is φ = 241823040.

The previous prime is 665013449. The next prime is 665013499. The reversal of 665013470 is 74310566.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3022679 + ... + 3022898.

It is an arithmetic number, because the mean of its divisors is an integer number (81615303).

Almost surely, 2665013470 is an apocalyptic number.

665013470 is a deficient number, since it is larger than the sum of its proper divisors (640831378).

665013470 is a wasteful number, since it uses less digits than its factorization.

665013470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6045595.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 665013470 is about 25787.8550872305. The cubic root of 665013470 is about 872.8577668697.

The spelling of 665013470 in words is "six hundred sixty-five million, thirteen thousand, four hundred seventy".

Divisors: 1 2 5 10 11 22 55 110 6045577 12091154 30227885 60455770 66501347 133002694 332506735 665013470