Search a number
-
+
271745146 = 21011345273
BaseRepresentation
bin10000001100101…
…000000001111010
3200221100002021001
4100030220001322
51024031321041
642544235214
76506536621
oct2014500172
9627302231
10271745146
1112a436172
127700bb0a
13443b725a
142813a6b8
1518ccc131
hex1032807a

271745146 has 8 divisors (see below), whose sum is σ = 411653844. Its totient is φ = 134527200.

The previous prime is 271745143. The next prime is 271745183. The reversal of 271745146 is 641547172.

It can be written as a sum of positive squares in 2 ways, for example, as 270767025 + 978121 = 16455^2 + 989^2 .

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

It is a super-2 number, since 2×2717451462 = 147690848749122632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (271745141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672435 + ... + 672838.

Almost surely, 2271745146 is an apocalyptic number.

271745146 is a deficient number, since it is larger than the sum of its proper divisors (139908698).

271745146 is a wasteful number, since it uses less digits than its factorization.

271745146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345376.

The product of its digits is 47040, while the sum is 37.

The square root of 271745146 is about 16484.6942950120. The cubic root of 271745146 is about 647.7199372110.

The spelling of 271745146 in words is "two hundred seventy-one million, seven hundred forty-five thousand, one hundred forty-six".

Divisors: 1 2 101 202 1345273 2690546 135872573 271745146