Search a number
-
+
1317305148 = 223735632671
BaseRepresentation
bin100111010000100…
…0111101100111100
310101210202000221120
41032201013230330
510144212231043
6334414230540
744433623535
oct11641075474
93353660846
101317305148
11616647945
123091b5450
1317cbb6903
14c6d4768c
157a9ac983
hex4e847b3c

1317305148 has 48 divisors (see below), whose sum is σ = 3122520576. Its totient is φ = 432155520.

The previous prime is 1317305147. The next prime is 1317305159. The reversal of 1317305148 is 8415037131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317305147) 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, 491853 + ... + 494523.

It is an arithmetic number, because the mean of its divisors is an integer number (65052512).

Almost surely, 21317305148 is an apocalyptic number.

It is an amenable number.

1317305148 is an abundant number, since it is smaller than the sum of its proper divisors (1805215428).

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

1317305148 is a wasteful number, since it uses less digits than its factorization.

1317305148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314 (or 3312 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1317305148 is about 36294.6986211485. The cubic root of 1317305148 is about 1096.2142997848.

The spelling of 1317305148 in words is "one billion, three hundred seventeen million, three hundred five thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 563 876 1126 1689 2252 2671 3378 5342 6756 8013 10684 16026 32052 41099 82198 123297 164396 194983 246594 389966 493188 584949 779932 1169898 1503773 2339796 3007546 4511319 6015092 9022638 18045276 109775429 219550858 329326287 439101716 658652574 1317305148