Search a number
-
+
4208138874 = 232733202541
BaseRepresentation
bin1111101011010011…
…0001101001111010
3101212021100121022100
43322310301221322
532104240420444
61533323004230
7206165406312
oct37264615172
911767317270
104208138874
11186a426025
12995369676
13520a98404
142bcc54442
1519968ae69
hexfad31a7a

4208138874 has 24 divisors (see below), whose sum is σ = 9242536212. Its totient is φ = 1383497280.

The previous prime is 4208138861. The next prime is 4208138887. The reversal of 4208138874 is 4788318024.

4208138874 is a `hidden beast` number, since 420 + 81 + 3 + 88 + 74 = 666.

It is an interprime number because it is at equal distance from previous prime (4208138861) and next prime (4208138887).

It can be written as a sum of positive squares in 2 ways, for example, as 3995124849 + 213014025 = 63207^2 + 14595^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1599957 + ... + 1602584.

Almost surely, 24208138874 is an apocalyptic number.

4208138874 is an abundant number, since it is smaller than the sum of its proper divisors (5034397338).

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

4208138874 is a wasteful number, since it uses less digits than its factorization.

4208138874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202622 (or 3202619 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 4208138874 is about 64870.1693692871. The cubic root of 4208138874 is about 1614.4701555000.

The spelling of 4208138874 in words is "four billion, two hundred eight million, one hundred thirty-eight thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 9 18 73 146 219 438 657 1314 3202541 6405082 9607623 19215246 28822869 57645738 233785493 467570986 701356479 1402712958 2104069437 4208138874