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10748431 = 27738803
BaseRepresentation
bin101001000000…
…001000001111
3202020002002001
4221000020033
510222422211
61022213131
7160234351
oct51001017
922202061
1010748431
116081501
1237241a7
1322c4425
1415db0d1
15e24ac1
hexa4020f

10748431 has 4 divisors (see below), whose sum is σ = 10787512. Its totient is φ = 10709352.

The previous prime is 10748411. The next prime is 10748449. The reversal of 10748431 is 13484701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13484701 = 26950129.

It is a cyclic number.

It is not a de Polignac number, because 10748431 - 27 = 10748303 is a prime.

It is a super-2 number, since 2×107484312 = 231057537923522, which contains 22 as substring.

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 10748431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10748401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19125 + ... + 19678.

It is an arithmetic number, because the mean of its divisors is an integer number (2696878).

Almost surely, 210748431 is an apocalyptic number.

10748431 is a deficient number, since it is larger than the sum of its proper divisors (39081).

10748431 is an equidigital number, since it uses as much as digits as its factorization.

10748431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39080.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 10748431 is about 3278.4799831629. The cubic root of 10748431 is about 220.6895102760.

The spelling of 10748431 in words is "ten million, seven hundred forty-eight thousand, four hundred thirty-one".

Divisors: 1 277 38803 10748431