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380253750 = 2354313271
BaseRepresentation
bin10110101010100…
…011011000110110
3222111111220002020
4112222203120312
51234321110000
6101422054010
712265050342
oct2652433066
9874456066
10380253750
111857092a8
12a741a306
1360a19826
1438704622
15235b2ba0
hex16aa3636

380253750 has 80 divisors (see below), whose sum is σ = 981285888. Its totient is φ = 98100000.

The previous prime is 380253703. The next prime is 380253751. The reversal of 380253750 is 57352083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380253751) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 114615 + ... + 117885.

Almost surely, 2380253750 is an apocalyptic number.

380253750 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 380253750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490642944).

380253750 is an abundant number, since it is smaller than the sum of its proper divisors (601032138).

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

380253750 is a wasteful number, since it uses less digits than its factorization.

380253750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327 (or 3312 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 380253750 is about 19500.0961536091. The cubic root of 380253750 is about 724.4768322384.

The spelling of 380253750 in words is "three hundred eighty million, two hundred fifty-three thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 31 50 62 75 93 125 150 155 186 250 310 375 465 625 750 775 930 1250 1550 1875 2325 3271 3750 3875 4650 6542 7750 9813 11625 16355 19375 19626 23250 32710 38750 49065 58125 81775 98130 101401 116250 163550 202802 245325 304203 408875 490650 507005 608406 817750 1014010 1226625 1521015 2044375 2453250 2535025 3042030 4088750 5070050 6133125 7605075 12266250 12675125 15210150 25350250 38025375 63375625 76050750 126751250 190126875 380253750