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104739281 is a prime number
BaseRepresentation
bin1100011111000…
…11000111010001
321022002022021122
412033203013101
5203303124111
614220532025
72411161223
oct617430721
9238068248
10104739281
1154139199
122b0b1015
1318912a0a
14dca6413
1592ddcdb
hex63e31d1

104739281 has 2 divisors, whose sum is σ = 104739282. Its totient is φ = 104739280.

The previous prime is 104739269. The next prime is 104739287. The reversal of 104739281 is 182937401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77281681 + 27457600 = 8791^2 + 5240^2 .

It is a cyclic number.

It is not a de Polignac number, because 104739281 - 218 = 104477137 is a prime.

It is a super-2 number, since 2×1047392812 = 21940633968793922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104739287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52369640 + 52369641.

It is an arithmetic number, because the mean of its divisors is an integer number (52369641).

Almost surely, 2104739281 is an apocalyptic number.

It is an amenable number.

104739281 is a deficient number, since it is larger than the sum of its proper divisors (1).

104739281 is an equidigital number, since it uses as much as digits as its factorization.

104739281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 104739281 is about 10234.2210744150. The cubic root of 104739281 is about 471.3786006022.

The spelling of 104739281 in words is "one hundred four million, seven hundred thirty-nine thousand, two hundred eighty-one".