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248642 = 21771103
BaseRepresentation
bin111100101101000010
3110122001222
4330231002
530424032
65155042
72053622
oct745502
9418058
10248642
1115a899
12bba82
1389234
1466882
154da12
hex3cb42

248642 has 16 divisors (see below), whose sum is σ = 404352. Its totient is φ = 114240.

The previous prime is 248641. The next prime is 248657. The reversal of 248642 is 246842.

248642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (248641) 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, 2363 + ... + 2465.

It is an arithmetic number, because the mean of its divisors is an integer number (25272).

2248642 is an apocalyptic number.

248642 is a deficient number, since it is larger than the sum of its proper divisors (155710).

248642 is a wasteful number, since it uses less digits than its factorization.

248642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193.

The product of its digits is 3072, while the sum is 26.

The square root of 248642 is about 498.6401508102. The cubic root of 248642 is about 62.8817804834.

The spelling of 248642 in words is "two hundred forty-eight thousand, six hundred forty-two".

Divisors: 1 2 17 34 71 103 142 206 1207 1751 2414 3502 7313 14626 124321 248642