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10426381 = 710314461
BaseRepresentation
bin100111110001…
…100000001101
3201121201022021
4213301200031
510132121011
61011250141
7154423420
oct47614015
921551267
1010426381
115981549
1235a9951
132210974
1415559b7
15dae471
hex9f180d

10426381 has 8 divisors (see below), whose sum is σ = 12032384. Its totient is φ = 8849520.

The previous prime is 10426379. The next prime is 10426387. The reversal of 10426381 is 18362401.

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

It is a cyclic number.

It is not a de Polignac number, because 10426381 - 21 = 10426379 is a prime.

It is a super-2 number, since 2×104263812 = 217418841514322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10426387) 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 7 ways as a sum of consecutive naturals, for example, 6510 + ... + 7951.

It is an arithmetic number, because the mean of its divisors is an integer number (1504048).

Almost surely, 210426381 is an apocalyptic number.

It is an amenable number.

10426381 is a deficient number, since it is larger than the sum of its proper divisors (1606003).

10426381 is a wasteful number, since it uses less digits than its factorization.

10426381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14571.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 10426381 is about 3228.9907091845. The cubic root of 10426381 is about 218.4629851054.

Adding to 10426381 its reverse (18362401), we get a palindrome (28788782).

The spelling of 10426381 in words is "ten million, four hundred twenty-six thousand, three hundred eighty-one".

Divisors: 1 7 103 721 14461 101227 1489483 10426381