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245024340 = 223511371249
BaseRepresentation
bin11101001101011…
…00011001010100
3122002001112012120
432212230121110
51000211234330
640151415540
76033446451
oct1646543124
9562045176
10245024340
11116345460
126a0845b0
133b9bca22
1424782828
151679ec10
hexe9ac654

245024340 has 48 divisors (see below), whose sum is σ = 748440000. Its totient is φ = 59399680.

The previous prime is 245024333. The next prime is 245024357. The reversal of 245024340 is 43420542.

245024340 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 245024340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184965 + ... + 186284.

It is an arithmetic number, because the mean of its divisors is an integer number (15592500).

Almost surely, 2245024340 is an apocalyptic number.

245024340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245024340 is an abundant number, since it is smaller than the sum of its proper divisors (503415660).

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

245024340 is a wasteful number, since it uses less digits than its factorization.

245024340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371272 (or 371270 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 245024340 is about 15653.2533359682. The cubic root of 245024340 is about 625.7531954167.

Adding to 245024340 its reverse (43420542), we get a palindrome (288444882).

The spelling of 245024340 in words is "two hundred forty-five million, twenty-four thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 371249 742498 1113747 1484996 1856245 2227494 3712490 4083739 4454988 5568735 7424980 8167478 11137470 12251217 16334956 20418695 22274940 24502434 40837390 49004868 61256085 81674780 122512170 245024340