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14208628 = 227272493
BaseRepresentation
bin110110001100…
…111001110100
3222201212120111
4312030321310
512114134003
61224312404
7231525400
oct66147164
928655514
1014208628
118025175
124912704
132c36395
141c5c100
1513a9e6d
hexd8ce74

14208628 has 18 divisors (see below), whose sum is σ = 28925106. Its totient is φ = 6089328.

The previous prime is 14208613. The next prime is 14208661. The reversal of 14208628 is 82680241.

It can be written as a sum of positive squares in only one way, i.e., 13046544 + 1162084 = 3612^2 + 1078^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14208628.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 36051 + ... + 36442.

Almost surely, 214208628 is an apocalyptic number.

It is an amenable number.

14208628 is an abundant number, since it is smaller than the sum of its proper divisors (14716478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14208628 is a wasteful number, since it uses less digits than its factorization.

14208628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72511 (or 72502 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 14208628 is about 3769.4333791699. The cubic root of 14208628 is about 242.2055262864.

Adding to 14208628 its reverse (82680241), we get a palindrome (96888869).

The spelling of 14208628 in words is "fourteen million, two hundred eight thousand, six hundred twenty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 72493 144986 289972 507451 1014902 2029804 3552157 7104314 14208628