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380400499 = 1972776971
BaseRepresentation
bin10110101011000…
…111001101110011
3222111210100101101
4112223013031303
51234340303444
6101425145231
712266231233
oct2653071563
9874710341
10380400499
111857a9586
12a748b217
1360a6b56b
1438741cc3
15235e13d4
hex16ac7373

380400499 has 8 divisors (see below), whose sum is σ = 383766768. Its totient is φ = 377049120.

The previous prime is 380400497. The next prime is 380400523. The reversal of 380400499 is 994004083.

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 380400499 - 21 = 380400497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380400497) 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, 51084 + ... + 58054.

It is an arithmetic number, because the mean of its divisors is an integer number (47970846).

Almost surely, 2380400499 is an apocalyptic number.

380400499 is a deficient number, since it is larger than the sum of its proper divisors (3366269).

380400499 is a wasteful number, since it uses less digits than its factorization.

380400499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7445.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 380400499 is about 19503.8585669605. The cubic root of 380400499 is about 724.5700178869.

The spelling of 380400499 in words is "three hundred eighty million, four hundred thousand, four hundred ninety-nine".

Divisors: 1 197 277 6971 54569 1373287 1930967 380400499