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380407068 = 223243245741
BaseRepresentation
bin10110101011001…
…000110100011100
3222111210200101200
4112223020310130
51234341011233
6101425235500
712266256336
oct2653106434
9874720350
10380407068
11185803508
12a7492b90
1360a71552
1438744456
15235e3313
hex16ac8d1c

380407068 has 36 divisors (see below), whose sum is σ = 983950968. Its totient is φ = 123852960.

The previous prime is 380407067. The next prime is 380407073. The reversal of 380407068 is 860704083.

380407068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380407067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121323 + ... + 124418.

Almost surely, 2380407068 is an apocalyptic number.

It is an amenable number.

380407068 is an abundant number, since it is smaller than the sum of its proper divisors (603543900).

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

380407068 is a wasteful number, since it uses less digits than its factorization.

380407068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245794 (or 245789 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 380407068 is about 19504.0269688083. The cubic root of 380407068 is about 724.5741886430.

The spelling of 380407068 in words is "three hundred eighty million, four hundred seven thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 43 86 129 172 258 387 516 774 1548 245741 491482 737223 982964 1474446 2211669 2948892 4423338 8846676 10566863 21133726 31700589 42267452 63401178 95101767 126802356 190203534 380407068