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133770454 = 2415712857
BaseRepresentation
bin1111111100100…
…10110011010110
3100022201020120021
413332102303112
5233221123304
621135055354
73213013216
oct776226326
9308636507
10133770454
11695677a4
123897155a
1321938a1c
1413aa2246
15bb25a54
hex7f92cd6

133770454 has 16 divisors (see below), whose sum is σ = 205981776. Its totient is φ = 65116800.

The previous prime is 133770443. The next prime is 133770457. The reversal of 133770454 is 454077331.

It is a super-2 number, since 2×1337704542 = 35789068726732232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133770457) 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, 45394 + ... + 48250.

It is an arithmetic number, because the mean of its divisors is an integer number (12873861).

Almost surely, 2133770454 is an apocalyptic number.

133770454 is a deficient number, since it is larger than the sum of its proper divisors (72211322).

133770454 is a wasteful number, since it uses less digits than its factorization.

133770454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 133770454 is about 11565.9177759484. The cubic root of 133770454 is about 511.4306287620.

The spelling of 133770454 in words is "one hundred thirty-three million, seven hundred seventy thousand, four hundred fifty-four".

Divisors: 1 2 41 82 571 1142 2857 5714 23411 46822 117137 234274 1631347 3262694 66885227 133770454