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10668451 = 30493499
BaseRepresentation
bin101000101100…
…100110100011
3202002000100211
4220230212203
510212342301
61020354551
7156452233
oct50544643
922060324
1010668451
116027402
1236a5a57
132296bc1
1415b9cc3
15e0b051
hexa2c9a3

10668451 has 4 divisors (see below), whose sum is σ = 10675000. Its totient is φ = 10661904.

The previous prime is 10668421. The next prime is 10668521. The reversal of 10668451 is 15486601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 15486601 = 131191277.

It is a cyclic number.

It is not a de Polignac number, because 10668451 - 217 = 10537379 is a prime.

It is a super-2 number, since 2×106684512 = 227631693478802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10668421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300 + ... + 4798.

It is an arithmetic number, because the mean of its divisors is an integer number (2668750).

Almost surely, 210668451 is an apocalyptic number.

10668451 is a deficient number, since it is larger than the sum of its proper divisors (6549).

10668451 is an equidigital number, since it uses as much as digits as its factorization.

10668451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6548.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 10668451 is about 3266.2594814252. The cubic root of 10668451 is about 220.1407570312.

The spelling of 10668451 in words is "ten million, six hundred sixty-eight thousand, four hundred fifty-one".

Divisors: 1 3049 3499 10668451