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14420169 = 321602241
BaseRepresentation
bin110111000000…
…100011001001
31000010121202100
4313000203021
512142421134
61233024013
7233366211
oct67004311
930117670
1014420169
11815a0a5
1249b5009
132cab75a
141cb5241
1513ec999
hexdc08c9

14420169 has 6 divisors (see below), whose sum is σ = 20829146. Its totient is φ = 9613440.

The previous prime is 14420143. The next prime is 14420251. The reversal of 14420169 is 96102441.

It can be written as a sum of positive squares in only one way, i.e., 14288400 + 131769 = 3780^2 + 363^2 .

It is not a de Polignac number, because 14420169 - 213 = 14411977 is a prime.

It is a super-2 number, since 2×144201692 = 415882547977122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14420969) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 801112 + ... + 801129.

Almost surely, 214420169 is an apocalyptic number.

It is an amenable number.

14420169 is a deficient number, since it is larger than the sum of its proper divisors (6408977).

14420169 is a wasteful number, since it uses less digits than its factorization.

14420169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602247 (or 1602244 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 14420169 is about 3797.3897614019. The cubic root of 14420169 is about 243.4016119564.

The spelling of 14420169 in words is "fourteen million, four hundred twenty thousand, one hundred sixty-nine".

Divisors: 1 3 9 1602241 4806723 14420169