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13908214 = 26954107
BaseRepresentation
bin110101000011…
…100011110110
3222011121111001
4311003203312
512030030324
61214033514
7226134505
oct65034366
928147431
1013908214
11793a4a1
1247a889a
132b5c718
141bc083c
15134ae44
hexd438f6

13908214 has 4 divisors (see below), whose sum is σ = 20862324. Its totient is φ = 6954106.

The previous prime is 13908211. The next prime is 13908241. The reversal of 13908214 is 41280931.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13908211) 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 as a sum of consecutive naturals, namely, 3477052 + ... + 3477055.

It is an arithmetic number, because the mean of its divisors is an integer number (5215581).

Almost surely, 213908214 is an apocalyptic number.

13908214 is a deficient number, since it is larger than the sum of its proper divisors (6954110).

13908214 is an equidigital number, since it uses as much as digits as its factorization.

13908214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6954109.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 13908214 is about 3729.3717969653. The cubic root of 13908214 is about 240.4863632495.

It can be divided in two parts, 1390 and 8214, that added together give a square (9604 = 982).

The spelling of 13908214 in words is "thirteen million, nine hundred eight thousand, two hundred fourteen".

Divisors: 1 2 6954107 13908214