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225873130 = 25731104089
BaseRepresentation
bin11010111011010…
…00110011101010
3120202000112200111
431131220303222
5430310420010
634225124534
75411614150
oct1535506352
9522015614
10225873130
1110655490a
126378974a
1337a45a52
1421dd93d0
1514c6a58a
hexd768cea

225873130 has 32 divisors (see below), whose sum is σ = 479646720. Its totient is φ = 74943360.

The previous prime is 225873127. The next prime is 225873157. The reversal of 225873130 is 31378522.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 225873092 and 225873101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49875 + ... + 54214.

It is an arithmetic number, because the mean of its divisors is an integer number (14988960).

Almost surely, 2225873130 is an apocalyptic number.

225873130 is an abundant number, since it is smaller than the sum of its proper divisors (253773590).

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

225873130 is a wasteful number, since it uses less digits than its factorization.

225873130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104134.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 225873130 is about 15029.0761525784. The cubic root of 225873130 is about 609.0059326628.

The spelling of 225873130 in words is "two hundred twenty-five million, eight hundred seventy-three thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 2170 104089 208178 520445 728623 1040890 1457246 3226759 3643115 6453518 7286230 16133795 22587313 32267590 45174626 112936565 225873130