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133400054 = 2177173757
BaseRepresentation
bin1111111001110…
…00010111110110
3100022000102110202
413330320113312
5233122300204
621123120502
73206611304
oct774702766
9308012422
10133400054
1169334487
1238813132
1321839258
1413a07274
15baa0e1e
hex7f385f6

133400054 has 32 divisors (see below), whose sum is σ = 218085696. Its totient is φ = 60963840.

The previous prime is 133400039. The next prime is 133400081. The reversal of 133400054 is 450004331.

It is a junction number, because it is equal to n+sod(n) for n = 133399999 and 133400035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175844 + ... + 176600.

It is an arithmetic number, because the mean of its divisors is an integer number (6815178).

Almost surely, 2133400054 is an apocalyptic number.

133400054 is a deficient number, since it is larger than the sum of its proper divisors (84685642).

133400054 is a wasteful number, since it uses less digits than its factorization.

133400054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 133400054 is about 11549.8941120687. The cubic root of 133400054 is about 510.9581551794.

Adding to 133400054 its reverse (450004331), we get a palindrome (583404385).

The spelling of 133400054 in words is "one hundred thirty-three million, four hundred thousand, fifty-four".

Divisors: 1 2 17 34 71 73 142 146 757 1207 1241 1514 2414 2482 5183 10366 12869 25738 53747 55261 88111 107494 110522 176222 913699 939437 1827398 1878874 3923531 7847062 66700027 133400054