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245145318 = 23113714323
BaseRepresentation
bin11101001110010…
…01111011100110
3122002021200011020
432213021323212
51000224122233
640154152010
76034462245
oct1647117346
9562250136
10245145318
11116418340
126a122606
133ba32b02
14247b495c
15167c59b3
hexe9c9ee6

245145318 has 16 divisors (see below), whose sum is σ = 534862656. Its totient is φ = 74286440.

The previous prime is 245145301. The next prime is 245145331. The reversal of 245145318 is 813541542.

It is a super-2 number, since 2×2451453182 = 120192453874642248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857096 + ... + 1857227.

It is an arithmetic number, because the mean of its divisors is an integer number (33428916).

Almost surely, 2245145318 is an apocalyptic number.

245145318 is an abundant number, since it is smaller than the sum of its proper divisors (289717338).

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

245145318 is a wasteful number, since it uses less digits than its factorization.

245145318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714339.

The product of its digits is 19200, while the sum is 33.

The square root of 245145318 is about 15657.1171676014. The cubic root of 245145318 is about 625.8561646624.

The spelling of 245145318 in words is "two hundred forty-five million, one hundred forty-five thousand, three hundred eighteen".

Divisors: 1 2 3 6 11 22 33 66 3714323 7428646 11142969 22285938 40857553 81715106 122572659 245145318