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146642313 = 348880771
BaseRepresentation
bin10001011110110…
…01010110001001
3101012221012102210
420233121112021
5300020023223
622315015333
73430303416
oct1057312611
9335835383
10146642313
11758595a4
124113a549
13244c47cc
141569310d
15cd19893
hex8bd9589

146642313 has 4 divisors (see below), whose sum is σ = 195523088. Its totient is φ = 97761540.

The previous prime is 146642311. The next prime is 146642371. The reversal of 146642313 is 313246641.

146642313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 146642313 - 21 = 146642311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146642311) 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, 24440383 + ... + 24440388.

It is an arithmetic number, because the mean of its divisors is an integer number (48880772).

Almost surely, 2146642313 is an apocalyptic number.

It is an amenable number.

146642313 is a deficient number, since it is larger than the sum of its proper divisors (48880775).

146642313 is an equidigital number, since it uses as much as digits as its factorization.

146642313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48880774.

The product of its digits is 10368, while the sum is 30.

The square root of 146642313 is about 12109.5959057270. The cubic root of 146642313 is about 527.3348020844.

Adding to 146642313 its reverse (313246641), we get a palindrome (459888954).

The spelling of 146642313 in words is "one hundred forty-six million, six hundred forty-two thousand, three hundred thirteen".

Divisors: 1 3 48880771 146642313