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13470257 = 371512411
BaseRepresentation
bin110011011000…
…101000110001
3221100100201102
4303120220301
511422022012
61200414145
7222331613
oct63305061
927310642
1013470257
117670449
124617355
132a38288
141b08db3
1512b12c2
hexcd8a31

13470257 has 8 divisors (see below), whose sum is σ = 13931712. Its totient is φ = 13014000.

The previous prime is 13470253. The next prime is 13470277. The reversal of 13470257 is 75207431.

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 13470257 - 22 = 13470253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13470253) 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, 4382 + ... + 6792.

It is an arithmetic number, because the mean of its divisors is an integer number (1741464).

Almost surely, 213470257 is an apocalyptic number.

It is an amenable number.

13470257 is a deficient number, since it is larger than the sum of its proper divisors (461455).

13470257 is a wasteful number, since it uses less digits than its factorization.

13470257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 13470257 is about 3670.1848727278. The cubic root of 13470257 is about 237.9351622924.

Adding to 13470257 its reverse (75207431), we get a palindrome (88677688).

The spelling of 13470257 in words is "thirteen million, four hundred seventy thousand, two hundred fifty-seven".

Divisors: 1 37 151 2411 5587 89207 364061 13470257