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298068740 = 22514903437
BaseRepresentation
bin10001110001000…
…010101100000100
3202202212110102222
4101301002230010
51102301144430
645324351512
710246354034
oct2161025404
9682773388
10298068740
11143285502
12839a5598
13499a2a48
142b82d8c4
151b27b9e5
hex11c42b04

298068740 has 12 divisors (see below), whose sum is σ = 625944396. Its totient is φ = 119227488.

The previous prime is 298068737. The next prime is 298068761. The reversal of 298068740 is 47860892.

It can be written as a sum of positive squares in 2 ways, for example, as 45131524 + 252937216 = 6718^2 + 15904^2 .

It is a junction number, because it is equal to n+sod(n) for n = 298068691 and 298068700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7451699 + ... + 7451738.

It is an arithmetic number, because the mean of its divisors is an integer number (52162033).

Almost surely, 2298068740 is an apocalyptic number.

298068740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298068740 is an abundant number, since it is smaller than the sum of its proper divisors (327875656).

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

298068740 is a wasteful number, since it uses less digits than its factorization.

298068740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14903446 (or 14903444 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 298068740 is about 17264.6673874709. The cubic root of 298068740 is about 667.9933575301.

The spelling of 298068740 in words is "two hundred ninety-eight million, sixty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 14903437 29806874 59613748 74517185 149034370 298068740