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134480778 = 23175712309
BaseRepresentation
bin10000000010000…
…00001110001010
3100101001022221120
420001000032022
5233411341103
621202220110
73222032145
oct1001001612
9311038846
10134480778
1169a02443
1239054636
1321b27133
1413c0905c
15bc16253
hex804038a

134480778 has 32 divisors (see below), whose sum is σ = 285405120. Its totient is φ = 42097920.

The previous prime is 134480777. The next prime is 134480789. The reversal of 134480778 is 877084431.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134480777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57088 + ... + 59396.

It is an arithmetic number, because the mean of its divisors is an integer number (8918910).

Almost surely, 2134480778 is an apocalyptic number.

134480778 is an abundant number, since it is smaller than the sum of its proper divisors (150924342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134480778 is a wasteful number, since it uses less digits than its factorization.

134480778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 134480778 is about 11596.5847558667. The cubic root of 134480778 is about 512.3342670930.

The spelling of 134480778 in words is "one hundred thirty-four million, four hundred eighty thousand, seven hundred seventy-eight".

Divisors: 1 2 3 6 17 34 51 102 571 1142 1713 2309 3426 4618 6927 9707 13854 19414 29121 39253 58242 78506 117759 235518 1318439 2636878 3955317 7910634 22413463 44826926 67240389 134480778