Search a number
-
+
16875090 = 2325971933
BaseRepresentation
bin100000001011…
…1111001010010
31011202100021100
41000113321102
513310000330
61401405230
7263302341
oct100277122
934670240
1016875090
119586561
125799816
13365ac7b
142353b58
151735060
hex1017e52

16875090 has 48 divisors (see below), whose sum is σ = 44350488. Its totient is φ = 4451328.

The previous prime is 16875083. The next prime is 16875091. The reversal of 16875090 is 9057861.

It can be written as a sum of positive squares in 4 ways, for example, as 14356521 + 2518569 = 3789^2 + 1587^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16875091) 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 23 ways as a sum of consecutive naturals, for example, 7764 + ... + 9696.

Almost surely, 216875090 is an apocalyptic number.

16875090 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 16875090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22175244).

16875090 is an abundant number, since it is smaller than the sum of its proper divisors (27475398).

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

16875090 is a wasteful number, since it uses less digits than its factorization.

16875090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 16875090 is about 4107.9301357253. The cubic root of 16875090 is about 256.4968479943.

The spelling of 16875090 in words is "sixteen million, eight hundred seventy-five thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 97 194 291 485 582 873 970 1455 1746 1933 2910 3866 4365 5799 8730 9665 11598 17397 19330 28995 34794 57990 86985 173970 187501 375002 562503 937505 1125006 1687509 1875010 2812515 3375018 5625030 8437545 16875090