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463749380 = 22523187469
BaseRepresentation
bin11011101001000…
…100000100000100
31012022121220112222
4123221010010010
51422204440010
6114003431512
714330543003
oct3351040404
91168556488
10463749380
11218857856
1210b385598
1375102023
144583ac3a
152aaa7355
hex1ba44104

463749380 has 12 divisors (see below), whose sum is σ = 973873740. Its totient is φ = 185499744.

The previous prime is 463749373. The next prime is 463749383. The reversal of 463749380 is 83947364.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 359178304 + 104571076 = 18952^2 + 10226^2 .

It is not an unprimeable number, because it can be changed into a prime (463749383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11593715 + ... + 11593754.

It is an arithmetic number, because the mean of its divisors is an integer number (81156145).

Almost surely, 2463749380 is an apocalyptic number.

It is an amenable number.

463749380 is an abundant number, since it is smaller than the sum of its proper divisors (510124360).

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

463749380 is a wasteful number, since it uses less digits than its factorization.

463749380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23187478 (or 23187476 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 463749380 is about 21534.8410720860. The cubic root of 463749380 is about 774.0359180940.

The spelling of 463749380 in words is "four hundred sixty-three million, seven hundred forty-nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 23187469 46374938 92749876 115937345 231874690 463749380