Search a number
-
+
253241424 = 24331930853
BaseRepresentation
bin11110001100000…
…10100001010000
3122122111222221000
433012002201100
51004312211144
641043502000
76163342122
oct1706024120
9578458830
10253241424
1111aa48037
1270987900
1340608bc7
14258c1212
1517374769
hexf182850

253241424 has 80 divisors (see below), whose sum is σ = 765179200. Its totient is φ = 79968384.

The previous prime is 253241423. The next prime is 253241447. The reversal of 253241424 is 424142352.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253241423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7219 + ... + 23634.

It is an arithmetic number, because the mean of its divisors is an integer number (9564740).

Almost surely, 2253241424 is an apocalyptic number.

253241424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

253241424 is an abundant number, since it is smaller than the sum of its proper divisors (511937776).

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

253241424 is a wasteful number, since it uses less digits than its factorization.

253241424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30889 (or 30877 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 253241424 is about 15913.5610094033. The cubic root of 253241424 is about 632.6714676218.

Adding to 253241424 its reverse (424142352), we get a palindrome (677383776).

It can be divided in two parts, 2532 and 41424, that added together give a triangular number (43956 = T296).

The spelling of 253241424 in words is "two hundred fifty-three million, two hundred forty-one thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 27 36 38 48 54 57 72 76 108 114 144 152 171 216 228 304 342 432 456 513 684 912 1026 1368 2052 2736 4104 8208 30853 61706 92559 123412 185118 246824 277677 370236 493648 555354 586207 740472 833031 1110708 1172414 1480944 1666062 1758621 2221416 2344828 3332124 3517242 4442832 4689656 5275863 6664248 7034484 9379312 10551726 13328496 14068968 15827589 21103452 28137936 31655178 42206904 63310356 84413808 126620712 253241424