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225977147 = 1123388169
BaseRepresentation
bin11010111100000…
…10001100111011
3120202012211100222
431132002030323
5430322232042
634231250255
75412526334
oct1536021473
9522184328
10225977147
11106615a80
126381998b
1337a811b6
142202528b
1514c8b2d2
hexd78233b

225977147 has 8 divisors (see below), whose sum is σ = 247581360. Its totient is φ = 204549760.

The previous prime is 225977137. The next prime is 225977149. The reversal of 225977147 is 741779522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225977147 - 210 = 225976123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225977098 and 225977107.

It is not an unprimeable number, because it can be changed into a prime (225977149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41522 + ... + 46647.

It is an arithmetic number, because the mean of its divisors is an integer number (30947670).

Almost surely, 2225977147 is an apocalyptic number.

225977147 is a deficient number, since it is larger than the sum of its proper divisors (21604213).

225977147 is a wasteful number, since it uses less digits than its factorization.

225977147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88413.

The product of its digits is 246960, while the sum is 44.

The square root of 225977147 is about 15032.5362796835. The cubic root of 225977147 is about 609.0994029051.

The spelling of 225977147 in words is "two hundred twenty-five million, nine hundred seventy-seven thousand, one hundred forty-seven".

Divisors: 1 11 233 2563 88169 969859 20543377 225977147