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13420034 = 219734061
BaseRepresentation
bin110011001100…
…011000000010
3221020210211022
4303030120002
511413420114
61155345442
7222032315
oct63143002
927223738
1013420034
117636741
1245b2282
132a1b464
141ad497c
1512a148e
hexccc602

13420034 has 8 divisors (see below), whose sum is σ = 20232828. Its totient is φ = 6675760.

The previous prime is 13420031. The next prime is 13420037. The reversal of 13420034 is 43002431.

It is an interprime number because it is at equal distance from previous prime (13420031) and next prime (13420037).

It can be written as a sum of positive squares in 2 ways, for example, as 13359025 + 61009 = 3655^2 + 247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×134200342 = 360194625122312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13419994 and 13420021.

It is not an unprimeable number, because it can be changed into a prime (13420031) 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, 16637 + ... + 17424.

Almost surely, 213420034 is an apocalyptic number.

13420034 is a deficient number, since it is larger than the sum of its proper divisors (6812794).

13420034 is a wasteful number, since it uses less digits than its factorization.

13420034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34260.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13420034 is about 3663.3364573842. The cubic root of 13420034 is about 237.6390852917.

Adding to 13420034 its reverse (43002431), we get a palindrome (56422465).

The spelling of 13420034 in words is "thirteen million, four hundred twenty thousand, thirty-four".

Divisors: 1 2 197 394 34061 68122 6710017 13420034