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133158048 = 2535326171
BaseRepresentation
bin1111110111111…
…01010010100000
3100021120010111120
413323331102200
5233042024143
621114012240
73204552612
oct773752240
9307503446
10133158048
1169189681
1238717080
132178305a
1413982db2
15ba54383
hex7efd4a0

133158048 has 48 divisors (see below), whose sum is σ = 356148576. Its totient is φ = 43546880.

The previous prime is 133158041. The next prime is 133158049. The reversal of 133158048 is 840851331.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (133158041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7998 + ... + 18173.

It is an arithmetic number, because the mean of its divisors is an integer number (7419762).

Almost surely, 2133158048 is an apocalyptic number.

It is an amenable number.

133158048 is an abundant number, since it is smaller than the sum of its proper divisors (222990528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133158048 is a wasteful number, since it uses less digits than its factorization.

133158048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26237 (or 26229 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 133158048 is about 11539.4128100177. The cubic root of 133158048 is about 510.6489854134.

The spelling of 133158048 in words is "one hundred thirty-three million, one hundred fifty-eight thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 53 96 106 159 212 318 424 636 848 1272 1696 2544 5088 26171 52342 78513 104684 157026 209368 314052 418736 628104 837472 1256208 1387063 2512416 2774126 4161189 5548252 8322378 11096504 16644756 22193008 33289512 44386016 66579024 133158048