Search a number
-
+
3838728888 = 233323772691
BaseRepresentation
bin1110010011001110…
…0101101010111000
3100220112020122002000
43210303211222320
530330203311023
61432525141000
7164061441261
oct34463455270
910815218060
103838728888
11169a953915
128b16ba760
134923a7517
14285b73968
1517701b243
hexe4ce5ab8

3838728888 has 64 divisors (see below), whose sum is σ = 11126764800. Its totient is φ = 1223940960.

The previous prime is 3838728787. The next prime is 3838728937. The reversal of 3838728888 is 8888278383.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381378 + ... + 391313.

It is an arithmetic number, because the mean of its divisors is an integer number (173855700).

Almost surely, 23838728888 is an apocalyptic number.

It is an amenable number.

3838728888 is an abundant number, since it is smaller than the sum of its proper divisors (7288035912).

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

3838728888 is a wasteful number, since it uses less digits than its factorization.

3838728888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772729 (or 772719 counting only the distinct ones).

The product of its digits is 33030144, while the sum is 63.

The square root of 3838728888 is about 61957.4764495779. The cubic root of 3838728888 is about 1565.7742514532.

The spelling of 3838728888 in words is "three billion, eight hundred thirty-eight million, seven hundred twenty-eight thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 27 36 46 54 69 72 92 108 138 184 207 216 276 414 552 621 828 1242 1656 2484 4968 772691 1545382 2318073 3090764 4636146 6181528 6954219 9272292 13908438 17771893 18544584 20862657 27816876 35543786 41725314 53315679 55633752 71087572 83450628 106631358 142175144 159947037 166901256 213262716 319894074 426525432 479841111 639788148 959682222 1279576296 1919364444 3838728888