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146072073 = 376955813
BaseRepresentation
bin10001011010011…
…10001000001001
3101011212020012210
420231032020021
5244343301243
622254455333
73422410050
oct1055161011
9334766183
10146072073
11754aa124
1240b04549
13243550a4
1415585397
15cc55933
hex8b4e209

146072073 has 8 divisors (see below), whose sum is σ = 222586048. Its totient is φ = 83469744.

The previous prime is 146072071. The next prime is 146072077. The reversal of 146072073 is 370270641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 146072073 - 21 = 146072071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146072073.

It is not an unprimeable number, because it can be changed into a prime (146072071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3477886 + ... + 3477927.

It is an arithmetic number, because the mean of its divisors is an integer number (27823256).

Almost surely, 2146072073 is an apocalyptic number.

It is an amenable number.

146072073 is a deficient number, since it is larger than the sum of its proper divisors (76513975).

146072073 is an equidigital number, since it uses as much as digits as its factorization.

146072073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955823.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 146072073 is about 12086.0280075797. The cubic root of 146072073 is about 526.6503747475.

The spelling of 146072073 in words is "one hundred forty-six million, seventy-two thousand, seventy-three".

Divisors: 1 3 7 21 6955813 20867439 48690691 146072073