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133151525 = 52131921563
BaseRepresentation
bin1111110111110…
…11101100100101
3100021112210112222
413323323230211
5233041322100
621113522125
73204524603
oct773735445
9307483488
10133151525
1169184791
1238713345
13217800b0
1413980873
15ba52485
hex7efbb25

133151525 has 24 divisors (see below), whose sum is σ = 187175520. Its totient is φ = 93147840.

The previous prime is 133151519. The next prime is 133151539. The reversal of 133151525 is 525151331.

It is a happy number.

It is not a de Polignac number, because 133151525 - 24 = 133151509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133151494 and 133151503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4607 + ... + 16956.

It is an arithmetic number, because the mean of its divisors is an integer number (7798980).

Almost surely, 2133151525 is an apocalyptic number.

It is an amenable number.

133151525 is a deficient number, since it is larger than the sum of its proper divisors (54023995).

133151525 is a wasteful number, since it uses less digits than its factorization.

133151525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21605 (or 21600 counting only the distinct ones).

The product of its digits is 2250, while the sum is 26.

The square root of 133151525 is about 11539.1301665247. The cubic root of 133151525 is about 510.6406469070.

The spelling of 133151525 in words is "one hundred thirty-three million, one hundred fifty-one thousand, five hundred twenty-five".

Divisors: 1 5 13 19 25 65 95 247 325 475 1235 6175 21563 107815 280319 409697 539075 1401595 2048485 5326061 7007975 10242425 26630305 133151525