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28414356 = 2232367863
BaseRepresentation
bin110110001100…
…1000110010100
31222110121011120
41230121012110
524233224411
62453003540
7463342455
oct154310624
958417146
1028414356
1115048143
1296235b0
135b6b339
143ab912c
152764106
hex1b19194

28414356 has 12 divisors (see below), whose sum is σ = 66300192. Its totient is φ = 9471448.

The previous prime is 28414343. The next prime is 28414363. The reversal of 28414356 is 65341482.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183920 + ... + 1183943.

It is an arithmetic number, because the mean of its divisors is an integer number (5525016).

Almost surely, 228414356 is an apocalyptic number.

It is an amenable number.

28414356 is an abundant number, since it is smaller than the sum of its proper divisors (37885836).

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

28414356 is a wasteful number, since it uses less digits than its factorization.

28414356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367870 (or 2367868 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 28414356 is about 5330.5117953157. The cubic root of 28414356 is about 305.1494600273.

The spelling of 28414356 in words is "twenty-eight million, four hundred fourteen thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 2367863 4735726 7103589 9471452 14207178 28414356