Search a number
-
+
228984329469 = 3722983647161
BaseRepresentation
bin1101010101000010000…
…1111001010011111101
3210220001022102011211110
43111100201321103331
512222424442020334
6253105520512233
722354305454200
oct3252041712375
9726038364743
10228984329469
11891257589a5
123846647b679
131879314b49c
14b12369d937
155e52d23ae9
hex35508794fd

228984329469 has 48 divisors (see below), whose sum is σ = 371833398720. Its totient is φ = 124813866240.

The previous prime is 228984329461. The next prime is 228984329477. The reversal of 228984329469 is 964923489822.

It is an interprime number because it is at equal distance from previous prime (228984329461) and next prime (228984329477).

It is not a de Polignac number, because 228984329469 - 23 = 228984329461 is a prime.

It is a super-2 number, since 2×2289843294692 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228984329461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30249 + ... + 677409.

It is an arithmetic number, because the mean of its divisors is an integer number (7746529140).

Almost surely, 2228984329469 is an apocalyptic number.

228984329469 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

228984329469 is a deficient number, since it is larger than the sum of its proper divisors (142849069251).

228984329469 is a wasteful number, since it uses less digits than its factorization.

228984329469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647290 (or 647283 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 66.

The spelling of 228984329469 in words is "two hundred twenty-eight billion, nine hundred eighty-four million, three hundred twenty-nine thousand, four hundred sixty-nine".

Divisors: 1 3 7 21 29 49 83 87 147 203 249 581 609 1421 1743 2407 4067 4263 7221 12201 16849 50547 117943 353829 647161 1941483 4530127 13590381 18767669 31710889 53714363 56303007 95132667 131373683 161143089 376000541 394121049 919615781 1128001623 1557716527 2632003787 2758847343 4673149581 7896011361 10904015689 32712047067 76328109823 228984329469