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201472117 = 71117153913
BaseRepresentation
bin11000000001000…
…11100001110101
3112001002211210021
430000203201311
5403034101432
631554125141
74664325160
oct1400434165
9461084707
10201472117
11a37a8a90
12575807b1
1332981392
141ca86ad7
1512a4a697
hexc023875

201472117 has 16 divisors (see below), whose sum is σ = 265963392. Its totient is φ = 147755520.

The previous prime is 201472109. The next prime is 201472129. The reversal of 201472117 is 711274102.

It is not a de Polignac number, because 201472117 - 23 = 201472109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201472091 and 201472100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201472147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75648 + ... + 78265.

It is an arithmetic number, because the mean of its divisors is an integer number (16622712).

Almost surely, 2201472117 is an apocalyptic number.

It is an amenable number.

201472117 is a deficient number, since it is larger than the sum of its proper divisors (64491275).

201472117 is a wasteful number, since it uses less digits than its factorization.

201472117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153948.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 201472117 is about 14194.0873958138. The cubic root of 201472117 is about 586.2348736404.

The spelling of 201472117 in words is "two hundred one million, four hundred seventy-two thousand, one hundred seventeen".

Divisors: 1 7 11 17 77 119 187 1309 153913 1077391 1693043 2616521 11851301 18315647 28781731 201472117