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16342261 = 1319109607
BaseRepresentation
bin111110010101…
…110011110101
31010202021100221
4332111303311
513140423021
61342134341
7255623035
oct76256365
933667327
1016342261
119252201
1255813b1
1335025a0
1422558c5
15167c241
hexf95cf5

16342261 has 16 divisors (see below), whose sum is σ = 18726400. Its totient is φ = 14136768.

The previous prime is 16342241. The next prime is 16342267. The reversal of 16342261 is 16224361.

It is a cyclic number.

It is not a de Polignac number, because 16342261 - 29 = 16341749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16342267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26620 + ... + 27226.

It is an arithmetic number, because the mean of its divisors is an integer number (1170400).

Almost surely, 216342261 is an apocalyptic number.

It is an amenable number.

16342261 is a deficient number, since it is larger than the sum of its proper divisors (2384139).

16342261 is a wasteful number, since it uses less digits than its factorization.

16342261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748.

The product of its digits is 1728, while the sum is 25.

The square root of 16342261 is about 4042.5562457435. The cubic root of 16342261 is about 253.7683060879.

It can be divided in two parts, 163 and 42261, that added together give a palindrome (42424).

The spelling of 16342261 in words is "sixteen million, three hundred forty-two thousand, two hundred sixty-one".

Divisors: 1 13 19 109 247 607 1417 2071 7891 11533 26923 66163 149929 860119 1257097 16342261