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225161741 = 7671972437
BaseRepresentation
bin11010110101110…
…11001000001101
3120200200101211202
431122323020031
5430120133431
634201555245
75402562140
oct1532731015
9520611752
10225161741
11106109392
12634a5b25
1337856ccc
1421c92057
1514b798cb
hexd6bb20d

225161741 has 16 divisors (see below), whose sum is σ = 262601856. Its totient is φ = 189072576.

The previous prime is 225161737. The next prime is 225161747. The reversal of 225161741 is 147161522.

It is not a de Polignac number, because 225161741 - 22 = 225161737 is a prime.

It is a super-2 number, since 2×2251617412 = 101395619220302162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225161747) 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, 91175 + ... + 93611.

It is an arithmetic number, because the mean of its divisors is an integer number (16412616).

Almost surely, 2225161741 is an apocalyptic number.

It is an amenable number.

225161741 is a deficient number, since it is larger than the sum of its proper divisors (37440115).

225161741 is a wasteful number, since it uses less digits than its factorization.

225161741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708.

The product of its digits is 3360, while the sum is 29.

The square root of 225161741 is about 15005.3903981203. The cubic root of 225161741 is about 608.3659041213.

The spelling of 225161741 in words is "two hundred twenty-five million, one hundred sixty-one thousand, seven hundred forty-one".

Divisors: 1 7 67 197 469 1379 2437 13199 17059 92393 163279 480089 1142953 3360623 32165963 225161741