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1942185030 = 235316593169
BaseRepresentation
bin111001111000011…
…0110010001000110
312000100120012222220
41303300312101012
512434144410110
6520415433210
766062205012
oct16360662106
95010505886
101942185030
119073493a5
12462525806
1324c4b3b16
14145d29542
15b5792370
hex73c36446

1942185030 has 64 divisors (see below), whose sum is σ = 4820428800. Its totient is φ = 500290560.

The previous prime is 1942185029. The next prime is 1942185083. The reversal of 1942185030 is 305812491.

1942185030 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×19421850302 = 7544165381512201800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1942184982 and 1942185000.

It is a congruent number.

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, 611286 + ... + 614454.

It is an arithmetic number, because the mean of its divisors is an integer number (75319200).

Almost surely, 21942185030 is an apocalyptic number.

1942185030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1942185030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2410214400).

1942185030 is an abundant number, since it is smaller than the sum of its proper divisors (2878243770).

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

1942185030 is a wasteful number, since it uses less digits than its factorization.

1942185030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1942185030 is about 44070.2283860658. The cubic root of 1942185030 is about 1247.6617685997.

The spelling of 1942185030 in words is "one billion, nine hundred forty-two million, one hundred eighty-five thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 659 930 1318 1977 3169 3295 3954 6338 6590 9507 9885 15845 19014 19770 20429 31690 40858 47535 61287 95070 98239 102145 122574 196478 204290 294717 306435 491195 589434 612870 982390 1473585 2088371 2947170 4176742 6265113 10441855 12530226 20883710 31325565 62651130 64739501 129479002 194218503 323697505 388437006 647395010 971092515 1942185030