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25383228 = 22313162713
BaseRepresentation
bin110000011010…
…1000100111100
31202202121020120
41200311010330
522444230403
62304014540
7425516403
oct140650474
952677216
1025383228
1113367882
128601450
135349780
14352a63a
152365e53
hex183513c

25383228 has 24 divisors (see below), whose sum is σ = 63783888. Its totient is φ = 7810176.

The previous prime is 25383209. The next prime is 25383229. The reversal of 25383228 is 82238352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25383229) 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, 81201 + ... + 81512.

It is an arithmetic number, because the mean of its divisors is an integer number (2657662).

Almost surely, 225383228 is an apocalyptic number.

It is an amenable number.

25383228 is an abundant number, since it is smaller than the sum of its proper divisors (38400660).

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

25383228 is a wasteful number, since it uses less digits than its factorization.

25383228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162733 (or 162731 counting only the distinct ones).

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

The square root of 25383228 is about 5038.1770512756. The cubic root of 25383228 is about 293.8882911249. Note that the first 3 decimals are identical.

The spelling of 25383228 in words is "twenty-five million, three hundred eighty-three thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 162713 325426 488139 650852 976278 1952556 2115269 4230538 6345807 8461076 12691614 25383228