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190068545 = 5167227627
BaseRepresentation
bin10110101010000…
…11011101000001
3111020122111000202
423111003131001
5342124143140
630505454545
74465361462
oct1325033501
9436574022
10190068545
119831a347
12537a1455
13304ba9c4
141b358d69
1511a46915
hexb543741

190068545 has 8 divisors (see below), whose sum is σ = 229449024. Its totient is φ = 151143664.

The previous prime is 190068521. The next prime is 190068553. The reversal of 190068545 is 545860091.

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 190068545 - 218 = 189806401 is a prime.

It is a super-2 number, since 2×1900685452 = 72252103596834050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190068499 and 190068508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112979 + ... + 114648.

It is an arithmetic number, because the mean of its divisors is an integer number (28681128).

Almost surely, 2190068545 is an apocalyptic number.

It is an amenable number.

190068545 is a deficient number, since it is larger than the sum of its proper divisors (39380479).

190068545 is a wasteful number, since it uses less digits than its factorization.

190068545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227799.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 190068545 is about 13786.5349163595. The cubic root of 190068545 is about 574.9588325914.

The spelling of 190068545 in words is "one hundred ninety million, sixty-eight thousand, five hundred forty-five".

Divisors: 1 5 167 835 227627 1138135 38013709 190068545