Search a number
-
+
246621040 = 24517210667
BaseRepresentation
bin11101011001100…
…10001101110000
3122012001122110121
432230302031300
51001113333130
640245540024
76053146531
oct1654621560
9565048417
10246621040
11117236046
126a714614
133c12b713
1424a7a688
15169b7d7a
hexeb32370

246621040 has 60 divisors (see below), whose sum is σ = 609164136. Its totient is φ = 92836864.

The previous prime is 246621029. The next prime is 246621043. The reversal of 246621040 is 40126642.

246621040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 246620996 and 246621014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246621043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17787 + ... + 28453.

Almost surely, 2246621040 is an apocalyptic number.

246621040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 246621040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304582068).

246621040 is an abundant number, since it is smaller than the sum of its proper divisors (362543096).

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

246621040 is a wasteful number, since it uses less digits than its factorization.

246621040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10714 (or 10691 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 246621040 is about 15704.1726939053. The cubic root of 246621040 is about 627.1094928535.

Adding to 246621040 its reverse (40126642), we get a palindrome (286747682).

The spelling of 246621040 in words is "two hundred forty-six million, six hundred twenty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 289 340 578 680 1156 1360 1445 2312 2890 4624 5780 10667 11560 21334 23120 42668 53335 85336 106670 170672 181339 213340 362678 426680 725356 853360 906695 1450712 1813390 2901424 3082763 3626780 6165526 7253560 12331052 14507120 15413815 24662104 30827630 49324208 61655260 123310520 246621040