Search a number
-
+
2155482 = 232717107
BaseRepresentation
bin1000001110001111011010
311001111202200
420032033122
51022433412
6114111030
724215130
oct10161732
94044680
102155482
11124249a
1287b476
135a6144
14401750
152c89dc
hex20e3da

2155482 has 24 divisors (see below), whose sum is σ = 5337696. Its totient is φ = 615816.

The previous prime is 2155477. The next prime is 2155487. The reversal of 2155482 is 2845512.

It is a happy number.

2155482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2155477) and next prime (2155487).

It is a super-2 number, since 2×21554822 = 9292205304648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2155487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8428 + ... + 8679.

It is an arithmetic number, because the mean of its divisors is an integer number (222404).

22155482 is an apocalyptic number.

2155482 is an abundant number, since it is smaller than the sum of its proper divisors (3182214).

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

2155482 is a wasteful number, since it uses less digits than its factorization.

2155482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17122 (or 17119 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2155482 is about 1468.1559862630. The cubic root of 2155482 is about 129.1758913056.

The spelling of 2155482 in words is "two million, one hundred fifty-five thousand, four hundred eighty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 17107 34214 51321 102642 119749 153963 239498 307926 359247 718494 1077741 2155482