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380210994 = 232131383421
BaseRepresentation
bin10110101010011…
…000111100110010
3222111102201102200
4112222120330302
51234313222434
6101421124030
712264511602
oct2652307462
9874381380
10380210994
1118568a169
12a73b9616
1360a03227
14386d2c02
15235a5199
hex16a98f32

380210994 has 48 divisors (see below), whose sum is σ = 834223104. Its totient is φ = 125143200.

The previous prime is 380210993. The next prime is 380211011. The reversal of 380210994 is 499012083.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (380210993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 902904 + ... + 903324.

It is an arithmetic number, because the mean of its divisors is an integer number (17379648).

Almost surely, 2380210994 is an apocalyptic number.

380210994 is an abundant number, since it is smaller than the sum of its proper divisors (454012110).

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

380210994 is a wasteful number, since it uses less digits than its factorization.

380210994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 380210994 is about 19498.9998205036. Note that the first 3 decimals coincide. The cubic root of 380210994 is about 724.4496776585.

The spelling of 380210994 in words is "three hundred eighty million, two hundred ten thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 18 131 262 383 393 421 766 786 842 1149 1179 1263 2298 2358 2526 3447 3789 6894 7578 50173 55151 100346 110302 150519 161243 165453 301038 322486 330906 451557 483729 496359 903114 967458 992718 1451187 2902374 21122833 42245666 63368499 126736998 190105497 380210994