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380038349 = 1743950923
BaseRepresentation
bin10110101001101…
…110110011001101
3222111002221121102
4112221232303031
51234242211344
6101413312445
712263162345
oct2651566315
9874087542
10380038349
11185581489
12a7335725
1360972782
1438689d25
152356de4e
hex16a6eccd

380038349 has 8 divisors (see below), whose sum is σ = 403318080. Its totient is φ = 356861376.

The previous prime is 380038339. The next prime is 380038367. The reversal of 380038349 is 943830083.

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

It is a cyclic number.

It is not a de Polignac number, because 380038349 - 24 = 380038333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380038339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17999 + ... + 32924.

It is an arithmetic number, because the mean of its divisors is an integer number (50414760).

Almost surely, 2380038349 is an apocalyptic number.

It is an amenable number.

380038349 is a deficient number, since it is larger than the sum of its proper divisors (23279731).

380038349 is a wasteful number, since it uses less digits than its factorization.

380038349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51379.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 380038349 is about 19494.5722958982. The cubic root of 380038349 is about 724.3400091216.

The spelling of 380038349 in words is "three hundred eighty million, thirty-eight thousand, three hundred forty-nine".

Divisors: 1 17 439 7463 50923 865691 22355197 380038349