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28414122 = 2311430517
BaseRepresentation
bin110110001100…
…1000010101010
31222110120211220
41230121002222
524233222442
62453002510
7463342002
oct154310252
958416756
1028414122
1115047a50
129623436
135b6b1b9
143ab9002
152763eec
hex1b190aa

28414122 has 16 divisors (see below), whose sum is σ = 61994592. Its totient is φ = 8610320.

The previous prime is 28414121. The next prime is 28414147. The reversal of 28414122 is 22141482.

It is a junction number, because it is equal to n+sod(n) for n = 28414092 and 28414101.

It is not an unprimeable number, because it can be changed into a prime (28414121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 215193 + ... + 215324.

It is an arithmetic number, because the mean of its divisors is an integer number (3874662).

Almost surely, 228414122 is an apocalyptic number.

28414122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28414122 is an abundant number, since it is smaller than the sum of its proper divisors (33580470).

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

28414122 is a wasteful number, since it uses less digits than its factorization.

28414122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430533.

The product of its digits is 1024, while the sum is 24.

The square root of 28414122 is about 5330.4898461586. The cubic root of 28414122 is about 305.1486223619.

The spelling of 28414122 in words is "twenty-eight million, four hundred fourteen thousand, one hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 66 430517 861034 1291551 2583102 4735687 9471374 14207061 28414122