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133348148 = 22293731069
BaseRepresentation
bin1111111001010…
…11101100110100
3100021220210021022
413330223230310
5233114120043
621122040312
73206304053
oct774535464
9307823238
10133348148
11692a948a
12387a9098
132181b73b
14139d239a
15ba90868
hex7f2bb34

133348148 has 24 divisors (see below), whose sum is σ = 247938600. Its totient is φ = 62633088.

The previous prime is 133348147. The next prime is 133348183. The reversal of 133348148 is 841843331.

It can be written as a sum of positive squares in 4 ways, for example, as 50865424 + 82482724 = 7132^2 + 9082^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133348141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11243 + ... + 19826.

It is an arithmetic number, because the mean of its divisors is an integer number (10330775).

Almost surely, 2133348148 is an apocalyptic number.

It is an amenable number.

133348148 is a deficient number, since it is larger than the sum of its proper divisors (114590452).

133348148 is a wasteful number, since it uses less digits than its factorization.

133348148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31139 (or 31137 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 133348148 is about 11547.6468598585. The cubic root of 133348148 is about 510.8918752596.

The spelling of 133348148 in words is "one hundred thirty-three million, three hundred forty-eight thousand, one hundred forty-eight".

Divisors: 1 2 4 29 37 58 74 116 148 1073 2146 4292 31069 62138 124276 901001 1149553 1802002 2299106 3604004 4598212 33337037 66674074 133348148