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1379824850 = 25243897211
BaseRepresentation
bin101001000111110…
…0111010011010010
310120011101100212002
41102033213103102
510311213343400
6344530234002
746123213655
oct12217472322
93504340762
101379824850
11648969918
12326125902
1318cb36711
14d137d89c
158120bed5
hex523e74d2

1379824850 has 48 divisors (see below), whose sum is σ = 2656035360. Its totient is φ = 532963200.

The previous prime is 1379824847. The next prime is 1379824861. The reversal of 1379824850 is 584289731.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1379824795 and 1379824804.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187745 + ... + 194955.

It is an arithmetic number, because the mean of its divisors is an integer number (55334070).

Almost surely, 21379824850 is an apocalyptic number.

1379824850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1379824850 is a deficient number, since it is larger than the sum of its proper divisors (1276210510).

1379824850 is a wasteful number, since it uses less digits than its factorization.

1379824850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7355 (or 7350 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 1379824850 is about 37145.9937274533. The cubic root of 1379824850 is about 1113.2891778736.

The spelling of 1379824850 in words is "one billion, three hundred seventy-nine million, eight hundred twenty-four thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 43 50 86 89 178 215 430 445 890 1075 2150 2225 3827 4450 7211 7654 14422 19135 36055 38270 72110 95675 180275 191350 310073 360550 620146 641779 1283558 1550365 3100730 3208895 6417790 7751825 15503650 16044475 27596497 32088950 55192994 137982485 275964970 689912425 1379824850