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380329499 = 1124766877
BaseRepresentation
bin10110101010110…
…101111000011011
3222111122201222202
4112222311320123
51234331020444
6101423440415
712265514234
oct2652657033
9874581882
10380329499
11185760200
12a745610b
1360a45154
143872408b
15235ca34e
hex16ab5e1b

380329499 has 12 divisors (see below), whose sum is σ = 426949152. Its totient is φ = 338392560.

The previous prime is 380329487. The next prime is 380329513. The reversal of 380329499 is 994923083.

It is not a de Polignac number, because 380329499 - 216 = 380263963 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380329409) 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 11 ways as a sum of consecutive naturals, for example, 27752 + ... + 39125.

It is an arithmetic number, because the mean of its divisors is an integer number (35579096).

Almost surely, 2380329499 is an apocalyptic number.

380329499 is a deficient number, since it is larger than the sum of its proper divisors (46619653).

380329499 is a wasteful number, since it uses less digits than its factorization.

380329499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66946 (or 66935 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 380329499 is about 19502.0383293644. The cubic root of 380329499 is about 724.5249358639.

The spelling of 380329499 in words is "three hundred eighty million, three hundred twenty-nine thousand, four hundred ninety-nine".

Divisors: 1 11 47 121 517 5687 66877 735647 3143219 8092117 34575409 380329499