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30341925 = 335279569
BaseRepresentation
bin111001110111…
…1101100100101
32010002112022000
41303233230211
530231420200
63002155513
7515621265
oct163575445
963075260
1030341925
1116144379
12a1b2b99
136394803
14405b7a5
1529e5300
hex1cefb25

30341925 has 48 divisors (see below), whose sum is σ = 56544000. Its totient is φ = 15949440.

The previous prime is 30341911. The next prime is 30341929. The reversal of 30341925 is 52914303.

It is not a de Polignac number, because 30341925 - 212 = 30337829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30341929) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53041 + ... + 53609.

It is an arithmetic number, because the mean of its divisors is an integer number (1178000).

Almost surely, 230341925 is an apocalyptic number.

It is an amenable number.

30341925 is a deficient number, since it is larger than the sum of its proper divisors (26202075).

30341925 is a wasteful number, since it uses less digits than its factorization.

30341925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 30341925 is about 5508.3504790454. The cubic root of 30341925 is about 311.8992833196.

The spelling of 30341925 in words is "thirty million, three hundred forty-one thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 79 135 225 237 395 569 675 711 1185 1707 1975 2133 2845 3555 5121 5925 8535 10665 14225 15363 17775 25605 42675 44951 53325 76815 128025 134853 224755 384075 404559 674265 1123775 1213677 2022795 3371325 6068385 10113975 30341925