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913425381 = 321123467859
BaseRepresentation
bin110110011100011…
…100001111100101
32100122202211001200
4312130130033211
53332314103011
6230345513113
731430662521
oct6634341745
92318684050
10913425381
11429672010
12215aa2799
131173173bb
1489452d81
15552ce856
hex3671c3e5

913425381 has 48 divisors (see below), whose sum is σ = 1506885120. Its totient is φ = 527772960.

The previous prime is 913425343. The next prime is 913425391. The reversal of 913425381 is 183524319.

913425381 is a `hidden beast` number, since 91 + 34 + 2 + 538 + 1 = 666.

It is not a de Polignac number, because 913425381 - 217 = 913294309 is a prime.

It is a super-2 number, since 2×9134253812 = 1668691853309990322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913425301) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1062930 + ... + 1063788.

It is an arithmetic number, because the mean of its divisors is an integer number (31393440).

Almost surely, 2913425381 is an apocalyptic number.

It is an amenable number.

913425381 is a deficient number, since it is larger than the sum of its proper divisors (593459739).

913425381 is a wasteful number, since it uses less digits than its factorization.

913425381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366 (or 1363 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 913425381 is about 30222.9280679421. The cubic root of 913425381 is about 970.2664733580.

The spelling of 913425381 in words is "nine hundred thirteen million, four hundred twenty-five thousand, three hundred eighty-one".

Divisors: 1 3 9 11 23 33 69 99 207 253 467 759 859 1401 2277 2577 4203 5137 7731 9449 10741 15411 19757 28347 32223 46233 59271 85041 96669 118151 177813 217327 354453 401153 651981 1063359 1203459 1955943 3610377 4412683 9226519 13238049 27679557 39714147 83038671 101491709 304475127 913425381