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13438034 = 26719017
BaseRepresentation
bin110011010000…
…110001010010
3221021201111222
4303100301102
511420004114
61200005042
7222135641
oct63206122
927251458
1013438034
117649215
124600782
132a266cc
141adb358
1512a698e
hexcd0c52

13438034 has 4 divisors (see below), whose sum is σ = 20157054. Its totient is φ = 6719016.

The previous prime is 13438031. The next prime is 13438039. The reversal of 13438034 is 43083431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43083431 = 192267549.

It can be written as a sum of positive squares in only one way, i.e., 11868025 + 1570009 = 3445^2 + 1253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13437994 and 13438012.

It is not an unprimeable number, because it can be changed into a prime (13438031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3359507 + ... + 3359510.

Almost surely, 213438034 is an apocalyptic number.

13438034 is a deficient number, since it is larger than the sum of its proper divisors (6719020).

13438034 is an equidigital number, since it uses as much as digits as its factorization.

13438034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6719019.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 13438034 is about 3665.7924109256. The cubic root of 13438034 is about 237.7452845387.

The spelling of 13438034 in words is "thirteen million, four hundred thirty-eight thousand, thirty-four".

Divisors: 1 2 6719017 13438034