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255831034 = 2317189653
BaseRepresentation
bin11110011111110…
…10101111111010
3122211101120012111
433033322233322
51010443043114
641215202534
76224346034
oct1717725772
9584346174
10255831034
11121456708
127181644a
1341004814
1425d96c54
15176d6bc4
hexf3fabfa

255831034 has 32 divisors (see below), whose sum is σ = 406840320. Its totient is φ = 120489600.

The previous prime is 255831019. The next prime is 255831041. The reversal of 255831034 is 430138552.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 255830987 and 255831005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391452 + ... + 392104.

It is an arithmetic number, because the mean of its divisors is an integer number (12713760).

Almost surely, 2255831034 is an apocalyptic number.

255831034 is a deficient number, since it is larger than the sum of its proper divisors (151009286).

255831034 is a wasteful number, since it uses less digits than its factorization.

255831034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 255831034 is about 15994.7189409505. The cubic root of 255831034 is about 634.8206937885.

Adding to 255831034 its reverse (430138552), we get a palindrome (685969586).

The spelling of 255831034 in words is "two hundred fifty-five million, eight hundred thirty-one thousand, thirty-four".

Divisors: 1 2 31 62 71 89 142 178 653 1306 2201 2759 4402 5518 6319 12638 20243 40486 46363 58117 92726 116234 195889 391778 1437253 1801627 2874506 3603254 4126307 8252614 127915517 255831034