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133754492 = 22208916007
BaseRepresentation
bin1111111100011…
…10111001111100
3100022200102200002
413332032321330
5233220120432
621134453432
73212615534
oct776167174
9308612602
10133754492
1169556803
1238964278
1321931691
1413a9a4c4
15bb20e62
hex7f8ee7c

133754492 has 12 divisors (see below), whose sum is σ = 234197040. Its totient is φ = 66841056.

The previous prime is 133754479. The next prime is 133754497. The reversal of 133754492 is 294457331.

It is a super-3 number, since 3×1337544923 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133754497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353 + ... + 16359.

It is an arithmetic number, because the mean of its divisors is an integer number (19516420).

Almost surely, 2133754492 is an apocalyptic number.

It is an amenable number.

133754492 is a deficient number, since it is larger than the sum of its proper divisors (100442548).

133754492 is a wasteful number, since it uses less digits than its factorization.

133754492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18100 (or 18098 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 133754492 is about 11565.2277106852. The cubic root of 133754492 is about 511.4102860028.

The spelling of 133754492 in words is "one hundred thirty-three million, seven hundred fifty-four thousand, four hundred ninety-two".

Divisors: 1 2 4 2089 4178 8356 16007 32014 64028 33438623 66877246 133754492