Search a number
-
+
27960956 = 227739043
BaseRepresentation
bin110101010101…
…0011001111100
31221121120012222
41222222121330
524124222311
62435144512
7456443552
oct152523174
957546188
1027960956
1114868531
129445138
135a3cb5a
1439dbbd2
1526c4adb
hex1aaa67c

27960956 has 12 divisors (see below), whose sum is σ = 49000392. Its totient is φ = 13960848.

The previous prime is 27960953. The next prime is 27960973. The reversal of 27960956 is 65906972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27960953) 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, 1430 + ... + 7613.

It is an arithmetic number, because the mean of its divisors is an integer number (4083366).

Almost surely, 227960956 is an apocalyptic number.

It is an amenable number.

27960956 is a deficient number, since it is larger than the sum of its proper divisors (21039436).

27960956 is a wasteful number, since it uses less digits than its factorization.

27960956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9820 (or 9818 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 27960956 is about 5287.8120238904. The cubic root of 27960956 is about 303.5176879844.

The spelling of 27960956 in words is "twenty-seven million, nine hundred sixty thousand, nine hundred fifty-six".

Divisors: 1 2 4 773 1546 3092 9043 18086 36172 6990239 13980478 27960956