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51341325 = 3527195147
BaseRepresentation
bin1100001111011…
…0100000001101
310120121102001120
43003312200031
5101120410300
65032231153
71162252110
oct303664015
9116542046
1051341325
1126a87552
121523b4b9
13a837aa9
146b66577
1547923a0
hex30f680d

51341325 has 48 divisors (see below), whose sum is σ = 102136320. Its totient is φ = 22230720.

The previous prime is 51341299. The next prime is 51341333. The reversal of 51341325 is 52314315.

It is not a de Polignac number, because 51341325 - 25 = 51341293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51341295 and 51341304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7402 + ... + 12548.

It is an arithmetic number, because the mean of its divisors is an integer number (2127840).

Almost surely, 251341325 is an apocalyptic number.

It is an amenable number.

51341325 is a deficient number, since it is larger than the sum of its proper divisors (50794995).

51341325 is a wasteful number, since it uses less digits than its factorization.

51341325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186 (or 5181 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 51341325 is about 7165.2861073372. The cubic root of 51341325 is about 371.6684451867.

The spelling of 51341325 in words is "fifty-one million, three hundred forty-one thousand, three hundred twenty-five".

Divisors: 1 3 5 7 15 19 21 25 35 57 75 95 105 133 175 285 399 475 525 665 1425 1995 3325 5147 9975 15441 25735 36029 77205 97793 108087 128675 180145 293379 386025 488965 540435 684551 900725 1466895 2053653 2444825 2702175 3422755 7334475 10268265 17113775 51341325