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208281442 = 2971107251
BaseRepresentation
bin11000110101000…
…01111101100010
3112111220210102111
430122201331202
5411310001232
632400105534
75106235345
oct1432417542
9474823374
10208281442
11a7629a26
12599052aa
13341c6875
141d93a45c
1513443047
hexc6a1f62

208281442 has 8 divisors (see below), whose sum is σ = 312746832. Its totient is φ = 104032500.

The previous prime is 208281427. The next prime is 208281457. The reversal of 208281442 is 244182802.

208281442 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 (208281427) and next prime (208281457).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51684 + ... + 55567.

It is an arithmetic number, because the mean of its divisors is an integer number (39093354).

Almost surely, 2208281442 is an apocalyptic number.

208281442 is a deficient number, since it is larger than the sum of its proper divisors (104465390).

208281442 is a wasteful number, since it uses less digits than its factorization.

208281442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108224.

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 208281442 is about 14431.9590492767. The cubic root of 208281442 is about 592.7663274783.

The spelling of 208281442 in words is "two hundred eight million, two hundred eighty-one thousand, four hundred forty-two".

Divisors: 1 2 971 1942 107251 214502 104140721 208281442