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12470353 = 721571621
BaseRepresentation
bin101111100100…
…100001010001
3212110120002221
4233210201101
511143022403
61123141041
7210665500
oct57444121
925416087
1012470353
117048185
124214781
13277810c
141928837
151164dbd
hexbe4851

12470353 has 12 divisors (see below), whose sum is σ = 14607732. Its totient is φ = 10614240.

The previous prime is 12470351. The next prime is 12470389. The reversal of 12470353 is 35307421.

It can be written as a sum of positive squares in 2 ways, for example, as 6671889 + 5798464 = 2583^2 + 2408^2 .

It is not a de Polignac number, because 12470353 - 21 = 12470351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12470351) 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 11 ways as a sum of consecutive naturals, for example, 6883 + ... + 8503.

It is an arithmetic number, because the mean of its divisors is an integer number (1217311).

Almost surely, 212470353 is an apocalyptic number.

It is an amenable number.

12470353 is a deficient number, since it is larger than the sum of its proper divisors (2137379).

12470353 is a wasteful number, since it uses less digits than its factorization.

12470353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792 (or 1785 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 12470353 is about 3531.3386980011. The cubic root of 12470353 is about 231.8958175210.

Adding to 12470353 its reverse (35307421), we get a palindrome (47777774).

The spelling of 12470353 in words is "twelve million, four hundred seventy thousand, three hundred fifty-three".

Divisors: 1 7 49 157 1099 1621 7693 11347 79429 254497 1781479 12470353