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10730381 is a prime number
BaseRepresentation
bin101000111011…
…101110001101
3202012011022112
4220323232031
510221333011
61021553405
7160130624
oct50735615
922164275
1010730381
116069992
123715865
1322b914c
1415d46bb
15e1e58b
hexa3bb8d

10730381 has 2 divisors, whose sum is σ = 10730382. Its totient is φ = 10730380.

The previous prime is 10730353. The next prime is 10730411. The reversal of 10730381 is 18303701.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9205156 + 1525225 = 3034^2 + 1235^2 .

It is a cyclic number.

It is not a de Polignac number, because 10730381 - 222 = 6536077 is a prime.

It is a super-2 number, since 2×107303812 = 230282152810322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10730311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5365190 + 5365191.

It is an arithmetic number, because the mean of its divisors is an integer number (5365191).

Almost surely, 210730381 is an apocalyptic number.

It is an amenable number.

10730381 is a deficient number, since it is larger than the sum of its proper divisors (1).

10730381 is an equidigital number, since it uses as much as digits as its factorization.

10730381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 10730381 is about 3275.7260263948. The cubic root of 10730381 is about 220.5659053342.

It can be divided in two parts, 10730 and 381, that added together give a palindrome (11111).

The spelling of 10730381 in words is "ten million, seven hundred thirty thousand, three hundred eighty-one".