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224768740 = 22574337337
BaseRepresentation
bin11010110010110…
…11001011100100
3120122221102202011
431121123023210
5430020044430
634145324004
75366334310
oct1531331344
9518842664
10224768740
11105970099
1263336604
133774a171
1421bccb40
1514aed22a
hexd65b2e4

224768740 has 48 divisors (see below), whose sum is σ = 552004992. Its totient is φ = 75269376.

The previous prime is 224768723. The next prime is 224768749. The reversal of 224768740 is 47867422.

It is a junction number, because it is equal to n+sod(n) for n = 224768693 and 224768702.

It is not an unprimeable number, because it can be changed into a prime (224768749) 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, 12649 + ... + 24688.

It is an arithmetic number, because the mean of its divisors is an integer number (11500104).

Almost surely, 2224768740 is an apocalyptic number.

224768740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224768740 is an abundant number, since it is smaller than the sum of its proper divisors (327236252).

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

224768740 is a wasteful number, since it uses less digits than its factorization.

224768740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37396 (or 37394 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 224768740 is about 14992.2893515300. The cubic root of 224768740 is about 608.0117473781.

The spelling of 224768740 in words is "two hundred twenty-four million, seven hundred sixty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 43 70 86 140 172 215 301 430 602 860 1204 1505 3010 6020 37337 74674 149348 186685 261359 373370 522718 746740 1045436 1306795 1605491 2613590 3210982 5227180 6421964 8027455 11238437 16054910 22476874 32109820 44953748 56192185 112384370 224768740