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3822078690 = 233560723321
BaseRepresentation
bin1110001111010000…
…0100101011100010
3100212100220201022000
43203310010223202
530311423004230
61431132224430
7163500063363
oct34364045342
910770821260
103822078690
111691511321
128a800b116
1348bac7a31
1428387bb6a
1517582cb60
hexe3d04ae2

3822078690 has 64 divisors (see below), whose sum is σ = 10209438720. Its totient is φ = 1017498240.

The previous prime is 3822078683. The next prime is 3822078707. The reversal of 3822078690 is 968702283.

3822078690 is a `hidden beast` number, since 382 + 207 + 8 + 69 + 0 = 666.

It is a super-2 number, since 2×38220786902 = 29216571025104232200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152230 + ... + 175550.

It is an arithmetic number, because the mean of its divisors is an integer number (159522480).

Almost surely, 23822078690 is an apocalyptic number.

3822078690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3822078690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5104719360).

3822078690 is an abundant number, since it is smaller than the sum of its proper divisors (6387360030).

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

3822078690 is a wasteful number, since it uses less digits than its factorization.

3822078690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23944 (or 23938 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 3822078690 is about 61822.9624815893. The cubic root of 3822078690 is about 1563.5071611361.

The spelling of 3822078690 in words is "three billion, eight hundred twenty-two million, seventy-eight thousand, six hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 607 1214 1821 3035 3642 5463 6070 9105 10926 16389 18210 23321 27315 32778 46642 54630 69963 81945 116605 139926 163890 209889 233210 349815 419778 629667 699630 1049445 1259334 2098890 3148335 6296670 14155847 28311694 42467541 70779235 84935082 127402623 141558470 212337705 254805246 382207869 424675410 637013115 764415738 1274026230 1911039345 3822078690