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146071805 = 5112241441
BaseRepresentation
bin10001011010011…
…10000011111101
3101011212012211212
420231032003331
5244343244210
622254454205
73422406215
oct1055160375
9334765755
10146071805
11754a9a00
1240b04365
1324354c29
1415585245
15cc55805
hex8b4e0fd

146071805 has 12 divisors (see below), whose sum is σ = 192670716. Its totient is φ = 106233600.

The previous prime is 146071789. The next prime is 146071841. The reversal of 146071805 is 508170641.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77827684 + 68244121 = 8822^2 + 8261^2 .

It is not a de Polignac number, because 146071805 - 24 = 146071789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120116 + ... + 121325.

It is an arithmetic number, because the mean of its divisors is an integer number (16055893).

Almost surely, 2146071805 is an apocalyptic number.

It is an amenable number.

146071805 is a deficient number, since it is larger than the sum of its proper divisors (46598911).

146071805 is a wasteful number, since it uses less digits than its factorization.

146071805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241468 (or 241457 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 146071805 is about 12086.0169203919. The cubic root of 146071805 is about 526.6500526636.

The spelling of 146071805 in words is "one hundred forty-six million, seventy-one thousand, eight hundred five".

Divisors: 1 5 11 55 121 605 241441 1207205 2655851 13279255 29214361 146071805