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380069 = 1779283
BaseRepresentation
bin1011100110010100101
3201022100122
41130302211
544130234
612051325
73142034
oct1346245
9638318
10380069
1123a608
12163b45
13103cc1
149c71b
157792e
hex5cca5

380069 has 8 divisors (see below), whose sum is σ = 408960. Its totient is φ = 351936.

The previous prime is 380059. The next prime is 380071. The reversal of 380069 is 960083.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-380069 is a prime.

It is a super-2 number, since 2×3800692 = 288904889522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380059) 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, 1202 + ... + 1484.

It is an arithmetic number, because the mean of its divisors is an integer number (51120).

2380069 is an apocalyptic number.

It is an amenable number.

380069 is a deficient number, since it is larger than the sum of its proper divisors (28891).

380069 is a wasteful number, since it uses less digits than its factorization.

380069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 380069 is about 616.4973641468. The cubic root of 380069 is about 72.4359481848.

The spelling of 380069 in words is "three hundred eighty thousand, sixty-nine".

Divisors: 1 17 79 283 1343 4811 22357 380069