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873142386 = 23145523731
BaseRepresentation
bin110100000010110…
…001100001110010
32020211222020011220
4310002301201302
53242011024021
6222350245510
730431405424
oct6402614162
92224866156
10873142386
11408958886
122044b6896
1310bb81acc
1483d68814
15519c3cc6
hex340b1872

873142386 has 8 divisors (see below), whose sum is σ = 1746284784. Its totient is φ = 291047460.

The previous prime is 873142381. The next prime is 873142393. The reversal of 873142386 is 683241378.

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

873142386 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (873142381) 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, 72761860 + ... + 72761871.

It is an arithmetic number, because the mean of its divisors is an integer number (218285598).

Almost surely, 2873142386 is an apocalyptic number.

873142386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

873142386 is a wasteful number, since it uses less digits than its factorization.

873142386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145523736.

The product of its digits is 193536, while the sum is 42.

The square root of 873142386 is about 29548.9828251329. The cubic root of 873142386 is about 955.7882570269.

The spelling of 873142386 in words is "eight hundred seventy-three million, one hundred forty-two thousand, three hundred eighty-six".

Divisors: 1 2 3 6 145523731 291047462 436571193 873142386