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201257274 = 23294128211
BaseRepresentation
bin10111111111011…
…11000100111010
3112000200221002010
423333233010322
5403010213044
631545350350
74662441621
oct1377570472
9460627063
10201257274
11a3671629
12574983b6
133290765a
141ca2c6b8
1512a06bb9
hexbfef13a

201257274 has 32 divisors (see below), whose sum is σ = 426565440. Its totient is φ = 63190400.

The previous prime is 201257267. The next prime is 201257279. The reversal of 201257274 is 472752102.

It is a super-2 number, since 2×2012572742 = 81008980675822152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201257279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6972 + ... + 21239.

It is an arithmetic number, because the mean of its divisors is an integer number (13330170).

Almost surely, 2201257274 is an apocalyptic number.

201257274 is an abundant number, since it is smaller than the sum of its proper divisors (225308166).

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

201257274 is a wasteful number, since it uses less digits than its factorization.

201257274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28286.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 201257274 is about 14186.5173316075. The cubic root of 201257274 is about 586.0264192292.

The spelling of 201257274 in words is "two hundred one million, two hundred fifty-seven thousand, two hundred seventy-four".

Divisors: 1 2 3 6 29 41 58 82 87 123 174 246 1189 2378 3567 7134 28211 56422 84633 169266 818119 1156651 1636238 2313302 2454357 3469953 4908714 6939906 33542879 67085758 100628637 201257274