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1378651482 = 2331317115523
BaseRepresentation
bin101001000101100…
…1000110101011010
310120002011202022000
41102023020311122
510310413321412
6344445141430
746110226035
oct12213106532
93502152260
101378651482
1164823829a
1232585a876
1318c815610
14d115601c
15810794dc
hex522c8d5a

1378651482 has 64 divisors (see below), whose sum is σ = 3493445760. Its totient is φ = 399244032.

The previous prime is 1378651481. The next prime is 1378651489. The reversal of 1378651482 is 2841568731.

It is not an unprimeable number, because it can be changed into a prime (1378651481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45828 + ... + 69695.

It is an arithmetic number, because the mean of its divisors is an integer number (54585090).

Almost surely, 21378651482 is an apocalyptic number.

1378651482 is an abundant number, since it is smaller than the sum of its proper divisors (2114794278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1378651482 is a wasteful number, since it uses less digits than its factorization.

1378651482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115564 (or 115558 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 1378651482 is about 37130.1963636068. The cubic root of 1378651482 is about 1112.9735174350.

The spelling of 1378651482 in words is "one billion, three hundred seventy-eight million, six hundred fifty-one thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 13 17 18 26 27 34 39 51 54 78 102 117 153 221 234 306 351 442 459 663 702 918 1326 1989 3978 5967 11934 115523 231046 346569 693138 1039707 1501799 1963891 2079414 3003598 3119121 3927782 4505397 5891673 6238242 9010794 11783346 13516191 17675019 25530583 27032382 35350038 40548573 51061166 53025057 76591749 81097146 106050114 153183498 229775247 459550494 689325741 1378651482