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2497889990 = 25249788999
BaseRepresentation
bin1001010011100010…
…1100011011000110
320110002012221220002
42110320230123012
520103424434430
61051510241302
7115620500051
oct22470543306
96402187802
102497889990
111071aa27a2
12598656232
1330a670c1b
14199a61a98
15e9460845
hex94e2c6c6

2497889990 has 8 divisors (see below), whose sum is σ = 4496202000. Its totient is φ = 999155992.

The previous prime is 2497889987. The next prime is 2497890061. The reversal of 2497889990 is 999887942.

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

It is a congruent number.

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, 124894490 + ... + 124894509.

It is an arithmetic number, because the mean of its divisors is an integer number (562025250).

Almost surely, 22497889990 is an apocalyptic number.

2497889990 is a deficient number, since it is larger than the sum of its proper divisors (1998312010).

2497889990 is a wasteful number, since it uses less digits than its factorization.

2497889990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249789006.

The product of its (nonzero) digits is 23514624, while the sum is 65.

The square root of 2497889990 is about 49978.8954459780. The cubic root of 2497889990 is about 1356.8268709374.

The spelling of 2497889990 in words is "two billion, four hundred ninety-seven million, eight hundred eighty-nine thousand, nine hundred ninety".

Divisors: 1 2 5 10 249788999 499577998 1248944995 2497889990