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381244950 = 232527971063
BaseRepresentation
bin10110101110010…
…101011000010110
3222120101020202100
4112232111120112
51240044314300
6101455222530
712306346212
oct2656253026
9876336670
10381244950
11186225a79
12a7817a46
1360ca5a38
14388c1942
152370b700
hex16b95616

381244950 has 72 divisors (see below), whose sum is σ = 1026528048. Its totient is φ = 101442240.

The previous prime is 381244901. The next prime is 381244957. The reversal of 381244950 is 59442183.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381244957) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 358119 + ... + 359181.

It is an arithmetic number, because the mean of its divisors is an integer number (14257334).

Almost surely, 2381244950 is an apocalyptic number.

381244950 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 381244950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513264024).

381244950 is an abundant number, since it is smaller than the sum of its proper divisors (645283098).

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

381244950 is a wasteful number, since it uses less digits than its factorization.

381244950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878 (or 1870 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 381244950 is about 19525.4948720897. The cubic root of 381244950 is about 725.1057792547.

The spelling of 381244950 in words is "three hundred eighty-one million, two hundred forty-four thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 797 1063 1594 2126 2391 3189 3985 4782 5315 6378 7173 7970 9567 10630 11955 14346 15945 19134 19925 23910 26575 31890 35865 39850 47835 53150 59775 71730 79725 95670 119550 159450 179325 239175 358650 478350 847211 1694422 2541633 4236055 5083266 7624899 8472110 12708165 15249798 21180275 25416330 38124495 42360550 63540825 76248990 127081650 190622475 381244950