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274990572 = 223317197883
BaseRepresentation
bin10000011001000…
…000010111101100
3201011102222011000
4100121000113230
51030344144242
643142000300
76546244533
oct2031002754
9634388130
10274990572
1113125253a
1278116090
1344c8251c
142874331a
151921da4c
hex106405ec

274990572 has 96 divisors (see below), whose sum is σ = 794707200. Its totient is φ = 81720576.

The previous prime is 274990559. The next prime is 274990577. The reversal of 274990572 is 275099472.

274990572 is a `hidden beast` number, since 2 + 74 + 9 + 9 + 0 + 572 = 666.

It is not an unprimeable number, because it can be changed into a prime (274990577) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 30943 + ... + 38825.

It is an arithmetic number, because the mean of its divisors is an integer number (8278200).

Almost surely, 2274990572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274990572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397353600).

274990572 is an abundant number, since it is smaller than the sum of its proper divisors (519716628).

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

274990572 is a wasteful number, since it uses less digits than its factorization.

274990572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7932 (or 7924 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 274990572 is about 16582.8396844449. The cubic root of 274990572 is about 650.2882918401.

Subtracting 274990572 from its reverse (275099472), we obtain a square (108900 = 3302).

The spelling of 274990572 in words is "two hundred seventy-four million, nine hundred ninety thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 17 18 19 27 34 36 38 51 54 57 68 76 102 108 114 153 171 204 228 306 323 342 459 513 612 646 684 918 969 1026 1292 1836 1938 2052 2907 3876 5814 7883 8721 11628 15766 17442 23649 31532 34884 47298 70947 94596 134011 141894 149777 212841 268022 283788 299554 402033 425682 449331 536044 599108 804066 851364 898662 1206099 1347993 1608132 1797324 2412198 2546209 2695986 3618297 4043979 4824396 5092418 5391972 7236594 7638627 8087958 10184836 14473188 15277254 16175916 22915881 30554508 45831762 68747643 91663524 137495286 274990572