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146938693 = 1131742139
BaseRepresentation
bin10001100001000…
…01101101000101
3101020111020222211
420300201231011
5300104014233
622325223421
73432646456
oct1060415505
9336436884
10146938693
1175a41240
1241261b71
1324599695
141572d12d
15cd775cd
hex8c21b45

146938693 has 8 divisors (see below), whose sum is σ = 160806240. Its totient is φ = 133156080.

The previous prime is 146938681. The next prime is 146938699. The reversal of 146938693 is 396839641.

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

It is a cyclic number.

It is not a de Polignac number, because 146938693 - 25 = 146938661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146938699) 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, 17583 + ... + 24556.

It is an arithmetic number, because the mean of its divisors is an integer number (20100780).

Almost surely, 2146938693 is an apocalyptic number.

It is an amenable number.

146938693 is a deficient number, since it is larger than the sum of its proper divisors (13867547).

146938693 is a wasteful number, since it uses less digits than its factorization.

146938693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42467.

The product of its digits is 839808, while the sum is 49.

The square root of 146938693 is about 12121.8271312538. The cubic root of 146938693 is about 527.6898299285.

It can be divided in two parts, 146 and 938693, that added together give a palindrome (938839).

The spelling of 146938693 in words is "one hundred forty-six million, nine hundred thirty-eight thousand, six hundred ninety-three".

Divisors: 1 11 317 3487 42139 463529 13358063 146938693