Search a number
1384355371 = 71974314009
BaseRepresentation
bin101001010000011…
…1001011000101011
310120110220112120011
41102200321120223
510313343332441
6345211312351
746206553330
oct12240713053
93513815504
101384355371
11650483753
1232774b6b7
13190a618b9
14d1bdc987
1581804581
hex5283962b

1384355371 has 16 divisors (see below), whose sum is σ = 1667750400. Its totient is φ = 1122545088.

The previous prime is 1384355363. The next prime is 1384355377. The reversal of 1384355371 is 1735534831.

It is a happy number.

It is not a de Polignac number, because 1384355371 - 23 = 1384355363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1384355377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91815 + ... + 105823.

It is an arithmetic number, because the mean of its divisors is an integer number (104234400).

Almost surely, 21384355371 is an apocalyptic number.

1384355371 is a deficient number, since it is larger than the sum of its proper divisors (283395029).

1384355371 is a wasteful number, since it uses less digits than its factorization.

1384355371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14778.

The product of its digits is 151200, while the sum is 40.

The square root of 1384355371 is about 37206.9263847472. The cubic root of 1384355371 is about 1114.5063057317.

The spelling of 1384355371 in words is "one billion, three hundred eighty-four million, three hundred fifty-five thousand, three hundred seventy-one".