Search a number
-
+
408985130 = 2540898513
BaseRepresentation
bin11000011000001…
…001111000101010
31001111120121010102
4120120021320222
51314200011010
6104325545402
713064213321
oct3030117052
91044517112
10408985130
1119a952644
12b4b75262
1366969248
143c4630b8
1525d8aba5
hex18609e2a

408985130 has 8 divisors (see below), whose sum is σ = 736173252. Its totient is φ = 163594048.

The previous prime is 408985123. The next prime is 408985151. The reversal of 408985130 is 31589804.

It can be written as a sum of positive squares in 2 ways, for example, as 371371441 + 37613689 = 19271^2 + 6133^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4089851302 = 334537673122233800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20449247 + ... + 20449266.

Almost surely, 2408985130 is an apocalyptic number.

408985130 is a deficient number, since it is larger than the sum of its proper divisors (327188122).

408985130 is a wasteful number, since it uses less digits than its factorization.

408985130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40898520.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 408985130 is about 20223.3807757259. The cubic root of 408985130 is about 742.2824161128.

The spelling of 408985130 in words is "four hundred eight million, nine hundred eighty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 40898513 81797026 204492565 408985130