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25383243 = 347180023
BaseRepresentation
bin110000011010…
…1000101001011
31202202121021010
41200311011023
522444230433
62304015003
7425516424
oct140650513
952677233
1025383243
1113367896
128601463
135349792
14352a64b
152365e63
hex183514b

25383243 has 8 divisors (see below), whose sum is σ = 34564608. Its totient is φ = 16562024.

The previous prime is 25383229. The next prime is 25383257. The reversal of 25383243 is 34238352.

It is an interprime number because it is at equal distance from previous prime (25383229) and next prime (25383257).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25383243 - 216 = 25317707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25383243.

It is not an unprimeable number, because it can be changed into a prime (25383263) 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, 89871 + ... + 90152.

It is an arithmetic number, because the mean of its divisors is an integer number (4320576).

Almost surely, 225383243 is an apocalyptic number.

25383243 is a deficient number, since it is larger than the sum of its proper divisors (9181365).

25383243 is a wasteful number, since it uses less digits than its factorization.

25383243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180073.

The product of its digits is 17280, while the sum is 30.

The square root of 25383243 is about 5038.1785399090. The cubic root of 25383243 is about 293.8883490152. Note that the first 3 decimals are identical.

The spelling of 25383243 in words is "twenty-five million, three hundred eighty-three thousand, two hundred forty-three".

Divisors: 1 3 47 141 180023 540069 8461081 25383243