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1382742515 = 572111730181
BaseRepresentation
bin101001001101010…
…1111100111110011
310120100212121010202
41102122233213303
510312440230030
6345112545415
746160055200
oct12232574763
93510777122
101382742515
1164a581a10
123270b226b
1319061874b
14d18dcca7
15815d6745
hex526af9f3

1382742515 has 48 divisors (see below), whose sum is σ = 2229604704. Its totient is φ = 811238400.

The previous prime is 1382742479. The next prime is 1382742521. The reversal of 1382742515 is 5152472831.

It is not a de Polignac number, because 1382742515 - 210 = 1382741491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30725 + ... + 60905.

It is an arithmetic number, because the mean of its divisors is an integer number (46450098).

Almost surely, 21382742515 is an apocalyptic number.

1382742515 is a deficient number, since it is larger than the sum of its proper divisors (846862189).

1382742515 is a wasteful number, since it uses less digits than its factorization.

1382742515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30228 (or 30221 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 1382742515 is about 37185.2459316864. The cubic root of 1382742515 is about 1114.0733155830.

The spelling of 1382742515 in words is "one billion, three hundred eighty-two million, seven hundred forty-two thousand, five hundred fifteen".

Divisors: 1 5 7 11 17 35 49 55 77 85 119 187 245 385 539 595 833 935 1309 2695 4165 6545 9163 30181 45815 150905 211267 331991 513077 1056335 1478869 1659955 2323937 2565385 3591539 5643847 7394345 11619685 16267559 17957695 25140773 28219235 39506929 81337795 125703865 197534645 276548503 1382742515