Search a number
-
+
271307664 = 2433659953
BaseRepresentation
bin10000001010111…
…101001110010000
3200220111212011000
4100022331032100
51023423321124
642531022000
76503035305
oct2012751620
9626455130
10271307664
1112a167511
1276a3a900
13442930a4
14280650ac
1518c426c9
hex102bd390

271307664 has 80 divisors (see below), whose sum is σ = 780753600. Its totient is φ = 90203904.

The previous prime is 271307653. The next prime is 271307671. The reversal of 271307664 is 466703172.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284212 + ... + 285164.

It is an arithmetic number, because the mean of its divisors is an integer number (9759420).

Almost surely, 2271307664 is an apocalyptic number.

271307664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 271307664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390376800).

271307664 is an abundant number, since it is smaller than the sum of its proper divisors (509445936).

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

271307664 is a wasteful number, since it uses less digits than its factorization.

271307664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 271307664 is about 16471.4196109504. The cubic root of 271307664 is about 647.3721628138.

The spelling of 271307664 in words is "two hundred seventy-one million, three hundred seven thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 659 953 1318 1906 1977 2636 2859 3812 3954 5272 5718 5931 7624 7908 8577 10544 11436 11862 15248 15816 17154 17793 22872 23724 25731 31632 34308 35586 45744 47448 51462 68616 71172 94896 102924 137232 142344 205848 284688 411696 628027 1256054 1884081 2512108 3768162 5024216 5652243 7536324 10048432 11304486 15072648 16956729 22608972 30145296 33913458 45217944 67826916 90435888 135653832 271307664