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255031092 = 22345471439
BaseRepresentation
bin11110011001101…
…11011100110100
3122202212220220000
433030313130310
51010241443332
641150111300
76214504611
oct1714673464
9582786800
10255031092
11120a5a6a8
12714ab530
1340ab4694
1425c29508
15175c9b7c
hexf337734

255031092 has 60 divisors (see below), whose sum is σ = 668384640. Its totient is φ = 84795984.

The previous prime is 255031081. The next prime is 255031157. The reversal of 255031092 is 290130552.

255031092 is a `hidden beast` number, since 2 + 550 + 3 + 109 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 19 ways as a sum of consecutive naturals, for example, 176509 + ... + 177947.

It is an arithmetic number, because the mean of its divisors is an integer number (11139744).

Almost surely, 2255031092 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 255031092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334192320).

255031092 is an abundant number, since it is smaller than the sum of its proper divisors (413353548).

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

255031092 is a wasteful number, since it uses less digits than its factorization.

255031092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 1991 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 255031092 is about 15969.6929212806. The cubic root of 255031092 is about 634.1583426282.

The spelling of 255031092 in words is "two hundred fifty-five million, thirty-one thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 547 1094 1439 1641 2188 2878 3282 4317 4923 5756 6564 8634 9846 12951 14769 17268 19692 25902 29538 38853 44307 51804 59076 77706 88614 116559 155412 177228 233118 466236 787133 1574266 2361399 3148532 4722798 7084197 9445596 14168394 21252591 28336788 42505182 63757773 85010364 127515546 255031092