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380857700 = 22528942793
BaseRepresentation
bin10110101100110…
…110110101100100
3222112122120112202
4112230312311210
51234444421300
6101443034032
712303144206
oct2654666544
9875576482
10380857700
11185a91033
12a766b918
1360b9b6b2
1438820776
1523681ad5
hex16b36d64

380857700 has 36 divisors (see below), whose sum is σ = 835766820. Its totient is φ = 150627840.

The previous prime is 380857699. The next prime is 380857727. The reversal of 380857700 is 7758083.

It can be written as a sum of positive squares in 6 ways, for example, as 32512804 + 348344896 = 5702^2 + 18664^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12497 + ... + 30296.

It is an arithmetic number, because the mean of its divisors is an integer number (23215745).

Almost surely, 2380857700 is an apocalyptic number.

It is an amenable number.

380857700 is an abundant number, since it is smaller than the sum of its proper divisors (454909120).

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

380857700 is a wasteful number, since it uses less digits than its factorization.

380857700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42896 (or 42889 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 380857700 is about 19515.5758306026. The cubic root of 380857700 is about 724.8601870704.

The spelling of 380857700 in words is "three hundred eighty million, eight hundred fifty-seven thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 89 100 178 356 445 890 1780 2225 4450 8900 42793 85586 171172 213965 427930 855860 1069825 2139650 3808577 4279300 7617154 15234308 19042885 38085770 76171540 95214425 190428850 380857700