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245303424 = 273370979
BaseRepresentation
bin11101001111100…
…00100010000000
3122002120201001000
432213300202000
51000244202144
640201412000
76036021222
oct1647604200
9562521030
10245303424
11116516103
126a19a000
133ba89a72
1424816412
1516807769
hexe9f0880

245303424 has 64 divisors (see below), whose sum is σ = 723996000. Its totient is φ = 81766656.

The previous prime is 245303417. The next prime is 245303459. The reversal of 245303424 is 424303542.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2453034242 = 120347539652247552, which contains 22 as substring.

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

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32034 + ... + 38945.

Almost surely, 2245303424 is an apocalyptic number.

245303424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

245303424 is an abundant number, since it is smaller than the sum of its proper divisors (478692576).

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

245303424 is an equidigital number, since it uses as much as digits as its factorization.

245303424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71002 (or 70984 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 245303424 is about 15662.1653675346. The cubic root of 245303424 is about 625.9906839893.

Adding to 245303424 its reverse (424303542), we get a palindrome (669606966).

The spelling of 245303424 in words is "two hundred forty-five million, three hundred three thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 288 384 432 576 864 1152 1728 3456 70979 141958 212937 283916 425874 567832 638811 851748 1135664 1277622 1703496 1916433 2271328 2555244 3406992 3832866 4542656 5110488 6813984 7665732 9085312 10220976 13627968 15331464 20441952 27255936 30662928 40883904 61325856 81767808 122651712 245303424