Search a number
-
+
3316492921 = 721924332
BaseRepresentation
bin1100010110101101…
…1010101001111001
322120010120022000011
43011223122221321
523243010233141
61305031541521
7145120503400
oct30553325171
98503508004
103316492921
11145208a245
1278682a8a1
1340b138361
14236670637
1514625e881
hexc5adaa79

3316492921 has 27 divisors (see below), whose sum is σ = 4081123791. Its totient is φ = 2686872384.

The previous prime is 3316492903. The next prime is 3316492937. The reversal of 3316492921 is 1292946133.

The square root of 3316492921 is 57589.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 371911225 + 2944581696 = 19285^2 + 54264^2 .

It is not a de Polignac number, because 3316492921 - 211 = 3316490873 is a prime.

It is a super-2 number, since 2×33164929212 = 21998250590086224482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3316492901) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7659121 + ... + 7659553.

It is an arithmetic number, because the mean of its divisors is an integer number (151152733).

Almost surely, 23316492921 is an apocalyptic number.

3316492921 is the 57589-th square number.

3316492921 is the 28795-th centered octagonal number.

It is an amenable number.

3316492921 is a deficient number, since it is larger than the sum of its proper divisors (764630870).

3316492921 is an frugal number, since it uses more digits than its factorization.

3316492921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 459 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The cubic root of 3316492921 is about 1491.2817103826.

The spelling of 3316492921 in words is "three billion, three hundred sixteen million, four hundred ninety-two thousand, nine hundred twenty-one".

Divisors: 1 7 19 49 133 361 433 931 2527 3031 8227 17689 21217 57589 156313 187489 403123 1094191 1312423 3562291 7659337 9186961 24936037 67683529 174552259 473784703 3316492921