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225636501 = 32923311131
BaseRepresentation
bin11010111001011…
…11000010010101
3120201120112002110
431130233002111
5430230332001
634220101233
75406610236
oct1534570225
9521515073
10225636501
11106403052
1263694819
133799212c
1421d7708d
1514c203d6
hexd72f095

225636501 has 16 divisors (see below), whose sum is σ = 312586560. Its totient is φ = 144600960.

The previous prime is 225636451. The next prime is 225636517. The reversal of 225636501 is 105636522.

It is not a de Polignac number, because 225636501 - 27 = 225636373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225636581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14706 + ... + 25836.

It is an arithmetic number, because the mean of its divisors is an integer number (19536660).

Almost surely, 2225636501 is an apocalyptic number.

It is an amenable number.

225636501 is a deficient number, since it is larger than the sum of its proper divisors (86950059).

225636501 is a wasteful number, since it uses less digits than its factorization.

225636501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11396.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 225636501 is about 15021.2017162409. The cubic root of 225636501 is about 608.7931896099.

The spelling of 225636501 in words is "two hundred twenty-five million, six hundred thirty-six thousand, five hundred one".

Divisors: 1 3 29 87 233 699 6757 11131 20271 33393 322799 968397 2593523 7780569 75212167 225636501