Search a number
-
+
1320627352 = 231143675209
BaseRepresentation
bin100111010110111…
…0010110010011000
310102000222211011011
41032231302302120
510201040033402
6335013343304
744504101342
oct11655626230
93360884134
101320627352
11618506970
1230a337b34
131807aab05
14c7570292
157ae16ed7
hex4eb72c98

1320627352 has 64 divisors (see below), whose sum is σ = 2805897600. Its totient is φ = 577463040.

The previous prime is 1320627331. The next prime is 1320627353. The reversal of 1320627352 is 2537260231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320627353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250924 + ... + 256132.

It is an arithmetic number, because the mean of its divisors is an integer number (43842150).

Almost surely, 21320627352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320627352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1402948800).

1320627352 is an abundant number, since it is smaller than the sum of its proper divisors (1485270248).

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

1320627352 is a wasteful number, since it uses less digits than its factorization.

1320627352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5336 (or 5332 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 1320627352 is about 36340.4368713421. The cubic root of 1320627352 is about 1097.1350660112.

Adding to 1320627352 its reverse (2537260231), we get a palindrome (3857887583).

The spelling of 1320627352 in words is "one billion, three hundred twenty million, six hundred twenty-seven thousand, three hundred fifty-two".

Divisors: 1 2 4 8 11 22 43 44 67 86 88 134 172 268 344 473 536 737 946 1474 1892 2881 2948 3784 5209 5762 5896 10418 11524 20836 23048 31691 41672 57299 63382 114598 126764 223987 229196 253528 349003 447974 458392 698006 895948 1396012 1791896 2463857 2792024 3839033 4927714 7678066 9855428 15007129 15356132 19710856 30014258 30712264 60028516 120057032 165078419 330156838 660313676 1320627352