Search a number
-
+
2678132 = 224091637
BaseRepresentation
bin1010001101110101110100
312001001201002
422031311310
51141200012
6133222432
731522652
oct12156564
95031632
102678132
11156a136
12a91a18
13729cc2
144d9dd2
1537d7c2
hex28dd74

2678132 has 12 divisors (see below), whose sum is σ = 4701060. Its totient is φ = 1334976.

The previous prime is 2678131. The next prime is 2678141. The reversal of 2678132 is 2318762.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1175056 + 1503076 = 1084^2 + 1226^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2678095 and 2678104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678131) 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, 818 + ... + 2454.

It is an arithmetic number, because the mean of its divisors is an integer number (391755).

22678132 is an apocalyptic number.

It is a pronic number, being equal to 1636×1637.

It is an amenable number.

2678132 is a deficient number, since it is larger than the sum of its proper divisors (2022928).

2678132 is a wasteful number, since it uses less digits than its factorization.

2678132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050 (or 2048 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 2678132 is about 1636.4999236175. The cubic root of 2678132 is about 138.8707111736.

The spelling of 2678132 in words is "two million, six hundred seventy-eight thousand, one hundred thirty-two".

Divisors: 1 2 4 409 818 1636 1637 3274 6548 669533 1339066 2678132