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1380690498 = 231141510233
BaseRepresentation
bin101001001001011…
…1010101001000010
310120020000100022010
41102102322221002
510311424043443
6345000553350
746133450505
oct12222725102
93506010263
101380690498
11649400230
12326482856
1319007a735
14d152713c
158132d733
hex524baa42

1380690498 has 32 divisors (see below), whose sum is σ = 3085895232. Its totient is φ = 408185600.

The previous prime is 1380690497. The next prime is 1380690511. The reversal of 1380690498 is 8940960831.

It is not an unprimeable number, because it can be changed into a prime (1380690497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252411 + ... + 257822.

It is an arithmetic number, because the mean of its divisors is an integer number (96434226).

Almost surely, 21380690498 is an apocalyptic number.

1380690498 is an abundant number, since it is smaller than the sum of its proper divisors (1705204734).

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

1380690498 is a wasteful number, since it uses less digits than its factorization.

1380690498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510290.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 1380690498 is about 37157.6438704071. The cubic root of 1380690498 is about 1113.5219405289.

The spelling of 1380690498 in words is "one billion, three hundred eighty million, six hundred ninety thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 11 22 33 41 66 82 123 246 451 902 1353 2706 510233 1020466 1530699 3061398 5612563 11225126 16837689 20919553 33675378 41839106 62758659 125517318 230115083 460230166 690345249 1380690498