Search a number
-
+
1662273090 = 2375172263
BaseRepresentation
bin110001100010100…
…0100011001000010
311021211212020000000
41203011010121002
511401020214330
6432540140430
756123042142
oct14305043102
94254766000
101662273090
11783345415
123a4837716
132064ca55a
1411aaa4922
159ae00560
hex63144642

1662273090 has 192 divisors, whose sum is σ = 4785073920. Its totient is φ = 415611648.

The previous prime is 1662273037. The next prime is 1662273097. The reversal of 1662273090 is 903722661.

It is not an unprimeable number, because it can be changed into a prime (1662273097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6320299 + ... + 6320561.

It is an arithmetic number, because the mean of its divisors is an integer number (24922260).

Almost surely, 21662273090 is an apocalyptic number.

1662273090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1662273090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2392536960).

1662273090 is an abundant number, since it is smaller than the sum of its proper divisors (3122800830).

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

1662273090 is an equidigital number, since it uses as much as digits as its factorization.

1662273090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 1662273090 is about 40770.9834318477. The cubic root of 1662273090 is about 1184.5883524511.

The spelling of 1662273090 in words is "one billion, six hundred sixty-two million, two hundred seventy-three thousand, ninety".