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28234752 = 2103713101
BaseRepresentation
bin110101110110…
…1010000000000
31222010110210120
41223231100000
524212003002
62445100240
7461664030
oct153552000
958113716
1028234752
1114a35207
129557680
135b07670
143a6d8c0
15272acbc
hex1aed400

28234752 has 176 divisors, whose sum is σ = 93539712. Its totient is φ = 7372800.

The previous prime is 28234751. The next prime is 28234763. The reversal of 28234752 is 25743282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28234751) 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, 279502 + ... + 279602.

Almost surely, 228234752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28234752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46769856).

28234752 is an abundant number, since it is smaller than the sum of its proper divisors (65304960).

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

28234752 is a wasteful number, since it uses less digits than its factorization.

28234752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 126 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 28234752 is about 5313.6383015783. The cubic root of 28234752 is about 304.5051619456.

The spelling of 28234752 in words is "twenty-eight million, two hundred thirty-four thousand, seven hundred fifty-two".