Search a number
-
+
1893813132 = 223191826271
BaseRepresentation
bin111000011100001…
…0100101110001100
311212222112200020010
41300320110232030
512334304010012
6511530553220
764634101041
oct16070245614
94788480203
101893813132
1189200a922
1244a298810
132424787b3
1413d7371c8
15b13d9c3c
hex70e14b8c

1893813132 has 24 divisors (see below), whose sum is σ = 4442038272. Its totient is φ = 627965200.

The previous prime is 1893813121. The next prime is 1893813133. The reversal of 1893813132 is 2313183981.

It is not an unprimeable number, because it can be changed into a prime (1893813133) 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, 410844 + ... + 415427.

It is an arithmetic number, because the mean of its divisors is an integer number (185084928).

Almost surely, 21893813132 is an apocalyptic number.

1893813132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1893813132 is an abundant number, since it is smaller than the sum of its proper divisors (2548225140).

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

1893813132 is a wasteful number, since it uses less digits than its factorization.

1893813132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826469 (or 826467 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 1893813132 is about 43517.9633255050. The cubic root of 1893813132 is about 1237.2165131272.

The spelling of 1893813132 in words is "one billion, eight hundred ninety-three million, eight hundred thirteen thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 191 382 573 764 1146 2292 826271 1652542 2478813 3305084 4957626 9915252 157817761 315635522 473453283 631271044 946906566 1893813132