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10767421 = 71538203
BaseRepresentation
bin101001000100…
…110000111101
3202021001010101
4221010300331
510224024141
61022441101
7160343620
oct51046075
922231111
1010767421
1160947a5
123733191
1322ccc72
141603db7
15e2a531
hexa44c3d

10767421 has 4 divisors (see below), whose sum is σ = 12305632. Its totient is φ = 9229212.

The previous prime is 10767403. The next prime is 10767437. The reversal of 10767421 is 12476701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12476701 = 29094289.

It is a cyclic number.

It is not a de Polignac number, because 10767421 - 29 = 10766909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10767421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10767451) 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, 769095 + ... + 769108.

It is an arithmetic number, because the mean of its divisors is an integer number (3076408).

Almost surely, 210767421 is an apocalyptic number.

It is an amenable number.

10767421 is a deficient number, since it is larger than the sum of its proper divisors (1538211).

10767421 is an equidigital number, since it uses as much as digits as its factorization.

10767421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538210.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 10767421 is about 3281.3748642909. The cubic root of 10767421 is about 220.8194029740.

It can be divided in two parts, 107 and 67421, that added together give a triangular number (67528 = T367).

The spelling of 10767421 in words is "ten million, seven hundred sixty-seven thousand, four hundred twenty-one".

Divisors: 1 7 1538203 10767421