Search a number
-
+
271146020 = 22519876823
BaseRepresentation
bin10000001010010…
…101110000100100
3200220012122102012
4100022111300210
51023403133040
642523333352
76501463115
oct2012256044
9626178365
10271146020
1112a067022
1276981258
1344237642
142802220c
1518c0e865
hex10295c24

271146020 has 24 divisors (see below), whose sum is σ = 569776704. Its totient is φ = 108387936.

The previous prime is 271145993. The next prime is 271146023. The reversal of 271146020 is 20641172.

It is not an unprimeable number, because it can be changed into a prime (271146023) 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, 36329 + ... + 43151.

It is an arithmetic number, because the mean of its divisors is an integer number (23740696).

Almost surely, 2271146020 is an apocalyptic number.

271146020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

271146020 is an abundant number, since it is smaller than the sum of its proper divisors (298630684).

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

271146020 is a wasteful number, since it uses less digits than its factorization.

271146020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8819 (or 8817 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 271146020 is about 16466.5120775470. The cubic root of 271146020 is about 647.2435700404.

Adding to 271146020 its reverse (20641172), we get a palindrome (291787192).

The spelling of 271146020 in words is "two hundred seventy-one million, one hundred forty-six thousand, twenty".

Divisors: 1 2 4 5 10 20 1987 3974 6823 7948 9935 13646 19870 27292 34115 39740 68230 136460 13557301 27114602 54229204 67786505 135573010 271146020