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380361812 = 2295090453
BaseRepresentation
bin10110101010111…
…101110001010100
3222111201101022112
4112222331301110
51234333034222
6101424250152
712266010365
oct2652756124
9874641275
10380361812
11185782506
12a7470958
1360a56a7c
1438731b6c
15235d4be2
hex16abdc54

380361812 has 6 divisors (see below), whose sum is σ = 665633178. Its totient is φ = 190180904.

The previous prime is 380361811. The next prime is 380361827. The reversal of 380361812 is 218163083.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 293573956 + 86787856 = 17134^2 + 9316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380361811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47545223 + ... + 47545230.

It is an arithmetic number, because the mean of its divisors is an integer number (110938863).

Almost surely, 2380361812 is an apocalyptic number.

It is an amenable number.

380361812 is a deficient number, since it is larger than the sum of its proper divisors (285271366).

380361812 is a wasteful number, since it uses less digits than its factorization.

380361812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95090457 (or 95090455 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 380361812 is about 19502.8667636325. The cubic root of 380361812 is about 724.5454539596.

The spelling of 380361812 in words is "three hundred eighty million, three hundred sixty-one thousand, eight hundred twelve".

Divisors: 1 2 4 95090453 190180906 380361812