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3828972834 = 23219291572459
BaseRepresentation
bin1110010000111001…
…0111110100100010
3100212211212222021200
43210032113310202
530320204112314
61431540102030
7163612506051
oct34416276442
910784788250
103828972834
11169539aa65
128aa394916
1349036c9cb
14284754398
15176240709
hexe4397d22

3828972834 has 96 divisors (see below), whose sum is σ = 9095112000. Its totient is φ = 1159546752.

The previous prime is 3828972811. The next prime is 3828972841. The reversal of 3828972834 is 4382798283.

3828972834 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38289728342 = 29322065927019983112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1555897 + ... + 1558355.

It is an arithmetic number, because the mean of its divisors is an integer number (94740750).

Almost surely, 23828972834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3828972834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4547556000).

3828972834 is an abundant number, since it is smaller than the sum of its proper divisors (5266139166).

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

3828972834 is a wasteful number, since it uses less digits than its factorization.

3828972834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672 (or 2669 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 3828972834 is about 61878.6945078837. The cubic root of 3828972834 is about 1564.4466646462.

The spelling of 3828972834 in words is "three billion, eight hundred twenty-eight million, nine hundred seventy-two thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 9 18 19 29 38 57 58 87 114 157 171 174 261 314 342 471 522 551 942 1102 1413 1653 2459 2826 2983 3306 4553 4918 4959 5966 7377 8949 9106 9918 13659 14754 17898 22131 26847 27318 40977 44262 46721 53694 71311 81954 86507 93442 140163 142622 173014 213933 259521 280326 386063 420489 427866 519042 641799 772126 778563 840978 1158189 1283598 1354909 1557126 2316378 2709818 3474567 4064727 6949134 7335197 8129454 11195827 12194181 14670394 22005591 22391654 24388362 33587481 44011182 66016773 67174962 100762443 132033546 201524886 212720713 425441426 638162139 1276324278 1914486417 3828972834