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133401404 = 22269123979
BaseRepresentation
bin1111111001110…
…00101100111100
3100022000111022202
413330320230330
5233122321104
621123131032
73206615243
oct774705474
9308014282
10133401404
11693354a4
1238813a78
1321839a56
1413a0795a
15baa151e
hex7f38b3c

133401404 has 12 divisors (see below), whose sum is σ = 234322200. Its totient is φ = 66452208.

The previous prime is 133401353. The next prime is 133401409. The reversal of 133401404 is 404104331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133401409) 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 3 ways as a sum of consecutive naturals, for example, 60914 + ... + 63065.

It is an arithmetic number, because the mean of its divisors is an integer number (19526850).

Almost surely, 2133401404 is an apocalyptic number.

It is an amenable number.

133401404 is a deficient number, since it is larger than the sum of its proper divisors (100920796).

133401404 is a wasteful number, since it uses less digits than its factorization.

133401404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124252 (or 124250 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 133401404 is about 11549.9525540151. The cubic root of 133401404 is about 510.9598787949.

Adding to 133401404 its reverse (404104331), we get a palindrome (537505735).

The spelling of 133401404 in words is "one hundred thirty-three million, four hundred one thousand, four hundred four".

Divisors: 1 2 4 269 538 1076 123979 247958 495916 33350351 66700702 133401404