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255153340 = 225131757727
BaseRepresentation
bin11110011010101…
…01010010111100
3122210010010120201
433031111102330
51010304401330
641152453244
76215524201
oct1715252274
9583103521
10255153340
11121033532
127154a224
1340b28210
1425c5bca8
1517600eca
hexf3554bc

255153340 has 48 divisors (see below), whose sum is σ = 610993152. Its totient is φ = 88667136.

The previous prime is 255153277. The next prime is 255153341. The reversal of 255153340 is 43351552.

It is a junction number, because it is equal to n+sod(n) for n = 255153299 and 255153308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255153341) 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, 24444 + ... + 33283.

It is an arithmetic number, because the mean of its divisors is an integer number (12729024).

Almost surely, 2255153340 is an apocalyptic number.

255153340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255153340 is an abundant number, since it is smaller than the sum of its proper divisors (355839812).

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

255153340 is a wasteful number, since it uses less digits than its factorization.

255153340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57766 (or 57764 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 255153340 is about 15973.5199627383. The cubic root of 255153340 is about 634.2596534197.

The spelling of 255153340 in words is "two hundred fifty-five million, one hundred fifty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 17 20 26 34 52 65 68 85 130 170 221 260 340 442 884 1105 2210 4420 57727 115454 230908 288635 577270 750451 981359 1154540 1500902 1962718 3001804 3752255 3925436 4906795 7504510 9813590 12757667 15009020 19627180 25515334 51030668 63788335 127576670 255153340