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380050161 = 3904314009
BaseRepresentation
bin10110101001110…
…001101011110001
3222111010112210220
4112221301223301
51234243101121
6101413443253
712263241651
oct2651615361
9874115726
10380050161
1118558a347
12a7340529
1360977c6a
1438690361
15235726c6
hex16a71af1

380050161 has 8 divisors (see below), whose sum is σ = 506825760. Its totient is φ = 253320672.

The previous prime is 380050159. The next prime is 380050169. The reversal of 380050161 is 161050083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 380050161 - 21 = 380050159 is a prime.

It is a super-2 number, since 2×3800501612 = 288876249752251842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (380050169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20125 + ... + 34133.

It is an arithmetic number, because the mean of its divisors is an integer number (63353220).

Almost surely, 2380050161 is an apocalyptic number.

It is an amenable number.

380050161 is a deficient number, since it is larger than the sum of its proper divisors (126775599).

380050161 is a wasteful number, since it uses less digits than its factorization.

380050161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23055.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 380050161 is about 19494.8752496650. The cubic root of 380050161 is about 724.3475134657.

The spelling of 380050161 in words is "three hundred eighty million, fifty thousand, one hundred sixty-one".

Divisors: 1 3 9043 14009 27129 42027 126683387 380050161