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25230194 = 2112137761
BaseRepresentation
bin110000000111…
…1101101110010
31202110211022122
41200033231302
522424331234
62300434242
7424311263
oct140175562
952424278
1025230194
1113272900
128548982
1352c4c12
1434ca96a
15233592e
hex180fb72

25230194 has 24 divisors (see below), whose sum is σ = 41957244. Its totient is φ = 11369600.

The previous prime is 25230169. The next prime is 25230197. The reversal of 25230194 is 49103252.

It can be written as a sum of positive squares in 2 ways, for example, as 22686169 + 2544025 = 4763^2 + 1595^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25230197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32774 + ... + 33534.

Almost surely, 225230194 is an apocalyptic number.

25230194 is a deficient number, since it is larger than the sum of its proper divisors (16727050).

25230194 is a wasteful number, since it uses less digits than its factorization.

25230194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 25230194 is about 5022.9666532837. The cubic root of 25230194 is about 293.2964884277.

The spelling of 25230194 in words is "twenty-five million, two hundred thirty thousand, one hundred ninety-four".

Divisors: 1 2 11 22 121 137 242 274 761 1507 1522 3014 8371 16577 16742 33154 92081 104257 184162 208514 1146827 2293654 12615097 25230194