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146331057 = 3271179989
BaseRepresentation
bin10001011100011…
…01010110110001
3101012100101110210
420232031112301
5244430043212
622304214333
73424536105
oct1056152661
9335311423
10146331057
1175666764
124100a3a9
1324415c32
1415611905
15cca753c
hex8b8d5b1

146331057 has 8 divisors (see below), whose sum is σ = 195829120. Its totient is φ = 97193520.

The previous prime is 146331049. The next prime is 146331089. The reversal of 146331057 is 750133641.

146331057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 146331057 - 23 = 146331049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146331047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89182 + ... + 90807.

It is an arithmetic number, because the mean of its divisors is an integer number (24478640).

Almost surely, 2146331057 is an apocalyptic number.

It is an amenable number.

146331057 is a deficient number, since it is larger than the sum of its proper divisors (49498063).

146331057 is a wasteful number, since it uses less digits than its factorization.

146331057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180263.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 146331057 is about 12096.7374527184. The cubic root of 146331057 is about 526.9614392078.

Adding to 146331057 its reverse (750133641), we get a palindrome (896464698).

The spelling of 146331057 in words is "one hundred forty-six million, three hundred thirty-one thousand, fifty-seven".

Divisors: 1 3 271 813 179989 539967 48777019 146331057