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1601325 = 325211647
BaseRepresentation
bin110000110111100101101
310000100121100
412012330231
5402220300
654153313
716416405
oct6067455
93010540
101601325
119a4110
12652839
13440b3b
142d9805
15219700
hex186f2d

1601325 has 36 divisors (see below), whose sum is σ = 3133728. Its totient is φ = 775200.

The previous prime is 1601317. The next prime is 1601359. The reversal of 1601325 is 5231061.

It is not a de Polignac number, because 1601325 - 23 = 1601317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1601298 and 1601307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2152 + ... + 2798.

It is an arithmetic number, because the mean of its divisors is an integer number (87048).

21601325 is an apocalyptic number.

1601325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1601325 is a deficient number, since it is larger than the sum of its proper divisors (1532403).

1601325 is a wasteful number, since it uses less digits than its factorization.

1601325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1601325 is about 1265.4347079166. The cubic root of 1601325 is about 116.9929866495.

Adding to 1601325 its reverse (5231061), we get a palindrome (6832386).

It can be divided in two parts, 160 and 1325, that added together give a triangular number (1485 = T54).

The spelling of 1601325 in words is "one million, six hundred one thousand, three hundred twenty-five".

Divisors: 1 3 5 9 11 15 25 33 45 55 75 99 165 225 275 495 647 825 1941 2475 3235 5823 7117 9705 16175 21351 29115 35585 48525 64053 106755 145575 177925 320265 533775 1601325