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380143650 = 23524358937
BaseRepresentation
bin10110101010001…
…000100000100010
3222111022022001110
4112222020200202
51234304044100
6101415444150
712264111345
oct2652104042
9874268043
10380143650
11185643607
12a7386656
13609ab693
14386b645c
1523590250
hex16a88822

380143650 has 48 divisors (see below), whose sum is σ = 964697184. Its totient is φ = 99012480.

The previous prime is 380143633. The next prime is 380143651. The reversal of 380143650 is 56341083.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (380143651) 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, 23019 + ... + 35918.

It is an arithmetic number, because the mean of its divisors is an integer number (20097858).

Almost surely, 2380143650 is an apocalyptic number.

380143650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

380143650 is an abundant number, since it is smaller than the sum of its proper divisors (584553534).

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

380143650 is a wasteful number, since it uses less digits than its factorization.

380143650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58995 (or 58990 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 380143650 is about 19497.2728862269. The cubic root of 380143650 is about 724.4069029706.

The spelling of 380143650 in words is "three hundred eighty million, one hundred forty-three thousand, six hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 43 50 75 86 129 150 215 258 430 645 1075 1290 2150 3225 6450 58937 117874 176811 294685 353622 589370 884055 1473425 1768110 2534291 2946850 4420275 5068582 7602873 8840550 12671455 15205746 25342910 38014365 63357275 76028730 126714550 190071825 380143650