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1768050438 = 23731178101
BaseRepresentation
bin110100101100010…
…0100111100000110
311120012220021020120
41221120210330012
512110110103223
6451235242410
761546116000
oct15130447406
94505807216
101768050438
11828022510
12414149406
132223b48bb
1412ab5b370
15a5346be3
hex69624f06

1768050438 has 64 divisors (see below), whose sum is σ = 4498675200. Its totient is φ = 459228000.

The previous prime is 1768050397. The next prime is 1768050451. The reversal of 1768050438 is 8340508671.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1768050438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16413 + ... + 61688.

It is an arithmetic number, because the mean of its divisors is an integer number (70291800).

Almost surely, 21768050438 is an apocalyptic number.

1768050438 is an abundant number, since it is smaller than the sum of its proper divisors (2730624762).

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

1768050438 is a wasteful number, since it uses less digits than its factorization.

1768050438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78138 (or 78124 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1768050438 is about 42048.1918517313. The cubic root of 1768050438 is about 1209.2002177848.

The spelling of 1768050438 in words is "one billion, seven hundred sixty-eight million, fifty thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 49 66 77 98 147 154 231 294 343 462 539 686 1029 1078 1617 2058 3234 3773 7546 11319 22638 78101 156202 234303 468606 546707 859111 1093414 1640121 1718222 2577333 3280242 3826949 5154666 6013777 7653898 11480847 12027554 18041331 22961694 26788643 36082662 42096439 53577286 80365929 84192878 126289317 160731858 252578634 294675073 589350146 884025219 1768050438