Search a number
-
+
1040219990 = 25400125999
BaseRepresentation
bin111110000000000…
…111111101010110
32200111100122120022
4332000013331112
54112244014430
6251115305142
734530503225
oct7600077526
92614318508
101040219990
114941a4747
1225044b1b2
1313767cbb4
149c21acbc
15614c84e5
hex3e007f56

1040219990 has 16 divisors (see below), whose sum is σ = 1872936000. Its totient is φ = 415968000.

The previous prime is 1040219989. The next prime is 1040220019. The reversal of 1040219990 is 999120401.

It is a self number, because there is not a number n which added to its sum of digits gives 1040219990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27011 + ... + 53009.

It is an arithmetic number, because the mean of its divisors is an integer number (117058500).

Almost surely, 21040219990 is an apocalyptic number.

1040219990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1040219990 is a deficient number, since it is larger than the sum of its proper divisors (832716010).

1040219990 is a wasteful number, since it uses less digits than its factorization.

1040219990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30007.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 1040219990 is about 32252.4416130004. The cubic root of 1040219990 is about 1013.2308362636.

The spelling of 1040219990 in words is "one billion, forty million, two hundred nineteen thousand, nine hundred ninety".

Divisors: 1 2 5 10 4001 8002 20005 25999 40010 51998 129995 259990 104021999 208043998 520109995 1040219990