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2678252 = 221394817
BaseRepresentation
bin1010001101110111101100
312001001212112
422031313230
51141201002
6133223152
731523213
oct12156754
95031775
102678252
11156a235
12a91ab8
1372a085
144da07a
1537d852
hex28ddec

2678252 has 12 divisors (see below), whose sum is σ = 4721640. Its totient is φ = 1329216.

The previous prime is 2678251. The next prime is 2678311. The reversal of 2678252 is 2528762.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2678251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853 + ... + 2964.

It is an arithmetic number, because the mean of its divisors is an integer number (393470).

22678252 is an apocalyptic number.

It is an amenable number.

2678252 is a deficient number, since it is larger than the sum of its proper divisors (2043388).

2678252 is a wasteful number, since it uses less digits than its factorization.

2678252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960 (or 4958 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 2678252 is about 1636.5365868199. The cubic root of 2678252 is about 138.8727852855.

The spelling of 2678252 in words is "two million, six hundred seventy-eight thousand, two hundred fifty-two".

Divisors: 1 2 4 139 278 556 4817 9634 19268 669563 1339126 2678252