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13970253 = 311423341
BaseRepresentation
bin110101010010…
…101101001101
3222021202120210
4311102231031
512034022003
61215233033
7226513413
oct65225515
928252523
1013970253
117982070
124818779
132b81a2b
141bd92b3
15135e503
hexd52b4d

13970253 has 8 divisors (see below), whose sum is σ = 20320416. Its totient is φ = 8466800.

The previous prime is 13970251. The next prime is 13970279. The reversal of 13970253 is 35207931.

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 13970253 - 21 = 13970251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13970253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13970251) 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 7 ways as a sum of consecutive naturals, for example, 211638 + ... + 211703.

It is an arithmetic number, because the mean of its divisors is an integer number (2540052).

Almost surely, 213970253 is an apocalyptic number.

It is an amenable number.

13970253 is a deficient number, since it is larger than the sum of its proper divisors (6350163).

13970253 is a wasteful number, since it uses less digits than its factorization.

13970253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423355.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 13970253 is about 3737.6801628818. The cubic root of 13970253 is about 240.8434041784.

The spelling of 13970253 in words is "thirteen million, nine hundred seventy thousand, two hundred fifty-three".

Divisors: 1 3 11 33 423341 1270023 4656751 13970253