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225501958 = 21147218087
BaseRepresentation
bin11010111000011…
…10001100000110
3120201022200112101
431130032030012
5430212030313
634213142314
75405510053
oct1534161406
9521280471
10225501958
11106320a60
126362a99a
1337945b16
1421d4002a
1514be55dd
hexd70e306

225501958 has 16 divisors (see below), whose sum is σ = 376856064. Its totient is φ = 100319560.

The previous prime is 225501943. The next prime is 225501977. The reversal of 225501958 is 859105522.

225501958 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2255019582 = 101702266123667528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 108010 + ... + 110077.

It is an arithmetic number, because the mean of its divisors is an integer number (23553504).

Almost surely, 2225501958 is an apocalyptic number.

225501958 is a deficient number, since it is larger than the sum of its proper divisors (151354106).

225501958 is a wasteful number, since it uses less digits than its factorization.

225501958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218147.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 225501958 is about 15016.7226118085. The cubic root of 225501958 is about 608.6721613965.

The spelling of 225501958 in words is "two hundred twenty-five million, five hundred one thousand, nine hundred fifty-eight".

Divisors: 1 2 11 22 47 94 517 1034 218087 436174 2398957 4797914 10250089 20500178 112750979 225501958