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10690457 is a prime number
BaseRepresentation
bin101000110001…
…111110011001
3202010010112212
4220301332121
510214043312
61021044505
7156603341
oct50617631
922103485
1010690457
116041998
1236b6735
1322a3c1b
1415c3d21
15e12822
hexa31f99

10690457 has 2 divisors, whose sum is σ = 10690458. Its totient is φ = 10690456.

The previous prime is 10690451. The next prime is 10690487. The reversal of 10690457 is 75409601.

It is a happy number.

10690457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10686361 + 4096 = 3269^2 + 64^2 .

It is an emirp because it is prime and its reverse (75409601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10690457 - 24 = 10690441 is a prime.

It is a super-2 number, since 2×106904572 = 228571741737698, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10690451) 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 as a sum of consecutive naturals, namely, 5345228 + 5345229.

It is an arithmetic number, because the mean of its divisors is an integer number (5345229).

Almost surely, 210690457 is an apocalyptic number.

It is an amenable number.

10690457 is a deficient number, since it is larger than the sum of its proper divisors (1).

10690457 is an equidigital number, since it uses as much as digits as its factorization.

10690457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 10690457 is about 3269.6264312609. The cubic root of 10690457 is about 220.2920158042.

The spelling of 10690457 in words is "ten million, six hundred ninety thousand, four hundred fifty-seven".