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146709093 = 348903031
BaseRepresentation
bin10001011111010…
…01101001100101
3101020001121001010
420233221221211
5300024142333
622320252433
73431002206
oct1057515145
9336047033
10146709093
11758a4793
1241171119
132451901b
14156ad5ad
15cd2e563
hex8be9a65

146709093 has 4 divisors (see below), whose sum is σ = 195612128. Its totient is φ = 97806060.

The previous prime is 146709071. The next prime is 146709109. The reversal of 146709093 is 390907641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 390907641 = 3130302547.

It is not a de Polignac number, because 146709093 - 25 = 146709061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146709293) 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, 24451513 + ... + 24451518.

It is an arithmetic number, because the mean of its divisors is an integer number (48903032).

Almost surely, 2146709093 is an apocalyptic number.

It is an amenable number.

146709093 is a deficient number, since it is larger than the sum of its proper divisors (48903035).

146709093 is an equidigital number, since it uses as much as digits as its factorization.

146709093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48903034.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 146709093 is about 12112.3529093236. The cubic root of 146709093 is about 527.4148382693.

The spelling of 146709093 in words is "one hundred forty-six million, seven hundred nine thousand, ninety-three".

Divisors: 1 3 48903031 146709093