Search a number
-
+
1090248788 = 22790734471
BaseRepresentation
bin100000011111011…
…1110000001010100
32210222111101011202
41000332332001110
54213100430123
6300103452032
736005650616
oct10076760124
92728441152
101090248788
1150a465062
12265157018
13144b48435
14a4b20db6
1565aaba28
hex40fbe054

1090248788 has 12 divisors (see below), whose sum is σ = 1908232032. Its totient is φ = 545039640.

The previous prime is 1090248751. The next prime is 1090248839. The reversal of 1090248788 is 8878420901.

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, 14393 + ... + 48863.

It is an arithmetic number, because the mean of its divisors is an integer number (159019336).

Almost surely, 21090248788 is an apocalyptic number.

It is an amenable number.

1090248788 is a deficient number, since it is larger than the sum of its proper divisors (817983244).

1090248788 is a wasteful number, since it uses less digits than its factorization.

1090248788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42382 (or 42380 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 1090248788 is about 33018.9156090869. The cubic root of 1090248788 is about 1029.2207597882.

The spelling of 1090248788 in words is "one billion, ninety million, two hundred forty-eight thousand, seven hundred eighty-eight".

Divisors: 1 2 4 7907 15814 31628 34471 68942 137884 272562197 545124394 1090248788