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10708405 = 52141681
BaseRepresentation
bin101000110110…
…010110110101
3202011001011121
4220312112311
510220132110
61021303541
7160006561
oct50662665
922131147
1010708405
116054424
123704bb1
1322ac146
1415ca6a1
15e17cda
hexa365b5

10708405 has 4 divisors (see below), whose sum is σ = 12850092. Its totient is φ = 8566720.

The previous prime is 10708403. The next prime is 10708417. The reversal of 10708405 is 50480701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1234321 + 9474084 = 1111^2 + 3078^2 .

It is not a de Polignac number, because 10708405 - 21 = 10708403 is a prime.

It is a super-2 number, since 2×107084052 = 229339875288050, 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 10708405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10708403) 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 in 3 ways as a sum of consecutive naturals, for example, 1070836 + ... + 1070845.

It is an arithmetic number, because the mean of its divisors is an integer number (3212523).

Almost surely, 210708405 is an apocalyptic number.

It is an amenable number.

10708405 is a deficient number, since it is larger than the sum of its proper divisors (2141687).

10708405 is an equidigital number, since it uses as much as digits as its factorization.

10708405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141686.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 10708405 is about 3272.3699363000. The cubic root of 10708405 is about 220.4152282016.

The spelling of 10708405 in words is "ten million, seven hundred eight thousand, four hundred five".

Divisors: 1 5 2141681 10708405