Search a number
-
+
380378800 = 2452950947
BaseRepresentation
bin10110101011000…
…001111010110000
3222111202020121201
4112223001322300
51234334110200
6101424500544
712266111044
oct2653017260
9874666551
10380378800
1118579424a
12a747a754
1360a61719
1438738024
15235d9c6a
hex16ac1eb0

380378800 has 30 divisors (see below), whose sum is σ = 913861028. Its totient is φ = 152151360.

The previous prime is 380378797. The next prime is 380378821. The reversal of 380378800 is 8873083.

It is a self number, because there is not a number n which added to its sum of digits gives 380378800.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 475074 + ... + 475873.

Almost surely, 2380378800 is an apocalyptic number.

It is an amenable number.

380378800 is an abundant number, since it is smaller than the sum of its proper divisors (533482228).

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

380378800 is a wasteful number, since it uses less digits than its factorization.

380378800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950965 (or 950954 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 380378800 is about 19503.3022844851. The cubic root of 380378800 is about 724.5562405270.

The spelling of 380378800 in words is "three hundred eighty million, three hundred seventy-eight thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 950947 1901894 3803788 4754735 7607576 9509470 15215152 19018940 23773675 38037880 47547350 76075760 95094700 190189400 380378800