Search a number
-
+
380485100 = 22525964489
BaseRepresentation
bin10110101011011…
…011110111101100
3222111221122102202
4112223123313230
51234401010400
6101431041032
712300033002
oct2653336754
9874848382
10380485100
111858570a6
12a7510178
1360a9ac18
1438764a72
152360b4d5
hex16adbdec

380485100 has 36 divisors (see below), whose sum is σ = 839659800. Its totient is φ = 149612160.

The previous prime is 380485087. The next prime is 380485123. The reversal of 380485100 is 1584083.

It is a super-2 number, since 2×3804851002 = 289537822644020000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26345 + ... + 38144.

Almost surely, 2380485100 is an apocalyptic number.

It is an amenable number.

380485100 is an abundant number, since it is smaller than the sum of its proper divisors (459174700).

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

380485100 is a wasteful number, since it uses less digits than its factorization.

380485100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64562 (or 64555 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 380485100 is about 19506.0272736403. The cubic root of 380485100 is about 724.6237286510.

The spelling of 380485100 in words is "three hundred eighty million, four hundred eighty-five thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 59 100 118 236 295 590 1180 1475 2950 5900 64489 128978 257956 322445 644890 1289780 1612225 3224450 3804851 6448900 7609702 15219404 19024255 38048510 76097020 95121275 190242550 380485100