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133200808 = 23133473691
BaseRepresentation
bin1111111000001…
…11101110101000
3100021122022011021
413330013232220
5233044411213
621114542224
73205121356
oct774075650
9307568137
10133200808
1169208814
1238737974
1321799660
14139947d6
15ba61d8d
hex7f07ba8

133200808 has 32 divisors (see below), whose sum is σ = 269811360. Its totient is φ = 61283520.

The previous prime is 133200803. The next prime is 133200817. The reversal of 133200808 is 808002331.

133200808 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (133200803) 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, 34243 + ... + 37933.

It is an arithmetic number, because the mean of its divisors is an integer number (8431605).

Almost surely, 2133200808 is an apocalyptic number.

It is an amenable number.

133200808 is an abundant number, since it is smaller than the sum of its proper divisors (136610552).

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

133200808 is a wasteful number, since it uses less digits than its factorization.

133200808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4057 (or 4053 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 133200808 is about 11541.2654418829. The cubic root of 133200808 is about 510.7036397987.

The spelling of 133200808 in words is "one hundred thirty-three million, two hundred thousand, eight hundred eight".

Divisors: 1 2 4 8 13 26 52 104 347 694 1388 2776 3691 4511 7382 9022 14764 18044 29528 36088 47983 95966 191932 383864 1280777 2561554 5123108 10246216 16650101 33300202 66600404 133200808