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134979683 = 748118043
BaseRepresentation
bin10000000101110…
…10000001100011
3100101222200022112
420002322001203
5234023322213
621221025535
73226210526
oct1002720143
9311880275
10134979683
116a213263
12392552ab
1321c70247
1413cd8bbd
15bcb3ea8
hex80ba063

134979683 has 4 divisors (see below), whose sum is σ = 135005208. Its totient is φ = 134954160.

The previous prime is 134979679. The next prime is 134979697. The reversal of 134979683 is 386979431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 386979431 = 2811377151.

It is a cyclic number.

It is not a de Polignac number, because 134979683 - 22 = 134979679 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134979883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541 + ... + 16502.

It is an arithmetic number, because the mean of its divisors is an integer number (33751302).

Almost surely, 2134979683 is an apocalyptic number.

134979683 is a deficient number, since it is larger than the sum of its proper divisors (25525).

134979683 is an equidigital number, since it uses as much as digits as its factorization.

134979683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25524.

The product of its digits is 979776, while the sum is 50.

The square root of 134979683 is about 11618.0757012510. The cubic root of 134979683 is about 512.9670482072.

The spelling of 134979683 in words is "one hundred thirty-four million, nine hundred seventy-nine thousand, six hundred eighty-three".

Divisors: 1 7481 18043 134979683