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228574425 = 3525357503
BaseRepresentation
bin11011001111111…
…00010011011001
3120221002210011110
431213330103121
5432003340200
634403050533
75443564512
oct1547742331
9527083143
10228574425
1110802a392
1264670a49
1338480451
14224dda09
1515100b50
hexd9fc4d9

228574425 has 24 divisors (see below), whose sum is σ = 385046784. Its totient is φ = 119604160.

The previous prime is 228574421. The next prime is 228574429. The reversal of 228574425 is 524475822.

It is an interprime number because it is at equal distance from previous prime (228574421) and next prime (228574429).

It is not a de Polignac number, because 228574425 - 22 = 228574421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228574421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24777 + ... + 32726.

It is an arithmetic number, because the mean of its divisors is an integer number (16043616).

Almost surely, 2228574425 is an apocalyptic number.

228574425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228574425 is a deficient number, since it is larger than the sum of its proper divisors (156472359).

228574425 is a wasteful number, since it uses less digits than its factorization.

228574425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57569 (or 57564 counting only the distinct ones).

The product of its digits is 179200, while the sum is 39.

The square root of 228574425 is about 15118.6780176046. The cubic root of 228574425 is about 611.4240892383.

The spelling of 228574425 in words is "two hundred twenty-eight million, five hundred seventy-four thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 53 75 159 265 795 1325 3975 57503 172509 287515 862545 1437575 3047659 4312725 9142977 15238295 45714885 76191475 228574425