Search a number
-
+
232243040 = 2555692551
BaseRepresentation
bin11011101011110…
…11111101100000
3121012000011120002
431311323331200
5433423234130
635013435132
75520014261
oct1565737540
9535004502
10232243040
1110a1056a7
126593baa8
1339166223
1422bb6968
15155c7b45
hexdd7bf60

232243040 has 48 divisors (see below), whose sum is σ = 549853920. Its totient is φ = 92697600.

The previous prime is 232243031. The next prime is 232243051. The reversal of 232243040 is 40342232.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 89765 + ... + 92315.

It is an arithmetic number, because the mean of its divisors is an integer number (11455290).

Almost surely, 2232243040 is an apocalyptic number.

232243040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232243040 is an abundant number, since it is smaller than the sum of its proper divisors (317610880).

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

232243040 is a wasteful number, since it uses less digits than its factorization.

232243040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135 (or 3127 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 232243040 is about 15239.5223022246. The cubic root of 232243040 is about 614.6778580366.

Adding to 232243040 its reverse (40342232), we get a palindrome (272585272).

The spelling of 232243040 in words is "two hundred thirty-two million, two hundred forty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 569 1138 2276 2551 2845 4552 5102 5690 9104 10204 11380 12755 18208 20408 22760 25510 40816 45520 51020 81632 91040 102040 204080 408160 1451519 2903038 5806076 7257595 11612152 14515190 23224304 29030380 46448608 58060760 116121520 232243040