Search a number
-
+
23030410 = 2513172613
BaseRepresentation
bin101011111011…
…0101010001010
31121100001210011
41113312222022
521343433120
62141342134
7366520024
oct127665212
947301704
1023030410
11120000a7
12786794a
134a04880
1430b7014
15204dc5a
hex15f6a8a

23030410 has 48 divisors (see below), whose sum is σ = 47501496. Its totient is φ = 7990272.

The previous prime is 23030407. The next prime is 23030411. The reversal of 23030410 is 1403032.

It can be written as a sum of positive squares in 12 ways, for example, as 76729 + 22953681 = 277^2 + 4791^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (23030411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37264 + ... + 37876.

Almost surely, 223030410 is an apocalyptic number.

23030410 is an abundant number, since it is smaller than the sum of its proper divisors (24471086).

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

23030410 is a wasteful number, since it uses less digits than its factorization.

23030410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 23030410 is about 4799.0009376953. Note that the first 3 decimals coincide. The cubic root of 23030410 is about 284.5119790114.

Adding to 23030410 its reverse (1403032), we get a palindrome (24433442).

The spelling of 23030410 in words is "twenty-three million, thirty thousand, four hundred ten".

Divisors: 1 2 5 10 13 17 26 34 65 85 130 170 221 289 442 578 613 1105 1226 1445 2210 2890 3065 3757 6130 7514 7969 10421 15938 18785 20842 37570 39845 52105 79690 104210 135473 177157 270946 354314 677365 885785 1354730 1771570 2303041 4606082 11515205 23030410