Search a number
-
+
2490732816 = 24311132103271
BaseRepresentation
bin1001010001110101…
…1001000100010000
320102120202100002120
42110131121010100
520100111422231
61051053014240
7115502610465
oct22435310420
96376670076
102490732816
111068a54480
12596184380
13309036300
14198b1b66c
15e89e9d96
hex94759110

2490732816 has 240 divisors, whose sum is σ = 7702935552. Its totient is φ = 687398400.

The previous prime is 2490732809. The next prime is 2490732833. The reversal of 2490732816 is 6182370942.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9190761 + ... + 9191031.

Almost surely, 22490732816 is an apocalyptic number.

2490732816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2490732816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3851467776).

2490732816 is an abundant number, since it is smaller than the sum of its proper divisors (5212202736).

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

2490732816 is a wasteful number, since it uses less digits than its factorization.

2490732816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 2490732816 is about 49907.2421197565. The cubic root of 2490732816 is about 1355.5297313762.

The spelling of 2490732816 in words is "two billion, four hundred ninety million, seven hundred thirty-two thousand, eight hundred sixteen".