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271868164 = 225310112697
BaseRepresentation
bin10000001101000…
…110000100000100
3200221120100000021
4100031012010010
51024044240124
642551024524
76510561361
oct2015060404
9627510007
10271868164
1112a50a637
127706b144
134442b249
142816d468
1518d037e4
hex10346104

271868164 has 24 divisors (see below), whose sum is σ = 489584088. Its totient is φ = 132038400.

The previous prime is 271868147. The next prime is 271868167. The reversal of 271868164 is 461868172.

It can be written as a sum of positive squares in 4 ways, for example, as 97416900 + 174451264 = 9870^2 + 13208^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 271868164.

It is not an unprimeable number, because it can be changed into a prime (271868167) 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, 15064 + ... + 27760.

It is an arithmetic number, because the mean of its divisors is an integer number (20399337).

Almost surely, 2271868164 is an apocalyptic number.

It is an amenable number.

271868164 is a deficient number, since it is larger than the sum of its proper divisors (217715924).

271868164 is a wasteful number, since it uses less digits than its factorization.

271868164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12855 (or 12853 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 271868164 is about 16488.4251522090. The cubic root of 271868164 is about 647.8176625880.

The spelling of 271868164 in words is "two hundred seventy-one million, eight hundred sixty-eight thousand, one hundred sixty-four".

Divisors: 1 2 4 53 101 106 202 212 404 5353 10706 12697 21412 25394 50788 672941 1282397 1345882 2564794 2691764 5129588 67967041 135934082 271868164