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319378050 = 23252709729
BaseRepresentation
bin10011000010010…
…101001010000010
3211020222002022200
4103002111022002
51123230044200
651405214030
710625445225
oct2302251202
9736862280
10319378050
1115430a502
128ab61316
13512240c4
14305b95bc
151d08a800
hex13095282

319378050 has 36 divisors (see below), whose sum is σ = 858063570. Its totient is φ = 85167360.

The previous prime is 319378039. The next prime is 319378057. The reversal of 319378050 is 50873913.

It can be written as a sum of positive squares in 3 ways, for example, as 280328049 + 39050001 = 16743^2 + 6249^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 319377996 and 319378014.

It is not an unprimeable number, because it can be changed into a prime (319378057) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 354415 + ... + 355314.

Almost surely, 2319378050 is an apocalyptic number.

319378050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

319378050 is an abundant number, since it is smaller than the sum of its proper divisors (538685520).

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

319378050 is a wasteful number, since it uses less digits than its factorization.

319378050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709747 (or 709739 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 319378050 is about 17871.1513339236. The cubic root of 319378050 is about 683.5469581283.

The spelling of 319378050 in words is "three hundred nineteen million, three hundred seventy-eight thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 709729 1419458 2129187 3548645 4258374 6387561 7097290 10645935 12775122 17743225 21291870 31937805 35486450 53229675 63875610 106459350 159689025 319378050