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134434731 = 344811577
BaseRepresentation
bin10000000001101…
…00111110101011
3100100221222210010
420000310332223
5233403402411
621201223003
73221450664
oct1000647653
9310858703
10134434731
1169980892
1239031a63
1321b0c1a2
1413bd636b
15bc077a6
hex8034fab

134434731 has 4 divisors (see below), whose sum is σ = 179246312. Its totient is φ = 89623152.

The previous prime is 134434723. The next prime is 134434733. The reversal of 134434731 is 137434431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137434431 = 345811477.

It is not a de Polignac number, because 134434731 - 23 = 134434723 is a prime.

It is a super-2 number, since 2×1344347312 = 36145393798084722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134434733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22405786 + ... + 22405791.

It is an arithmetic number, because the mean of its divisors is an integer number (44811578).

Almost surely, 2134434731 is an apocalyptic number.

134434731 is a deficient number, since it is larger than the sum of its proper divisors (44811581).

134434731 is an equidigital number, since it uses as much as digits as its factorization.

134434731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44811580.

The product of its digits is 12096, while the sum is 30.

The square root of 134434731 is about 11594.5992168768. The cubic root of 134434731 is about 512.2757850074.

The spelling of 134434731 in words is "one hundred thirty-four million, four hundred thirty-four thousand, seven hundred thirty-one".

Divisors: 1 3 44811577 134434731