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253135350 = 232521343271
BaseRepresentation
bin11110001011010…
…00100111110110
3122122022121102100
433011220213312
51004300312400
641041322530
76162420636
oct1705504766
9578277370
10253135350
1111a985376
1270936446
134059c840
14258946c6
1517353100
hexf1689f6

253135350 has 72 divisors (see below), whose sum is σ = 732421872. Its totient is φ = 62308800.

The previous prime is 253135319. The next prime is 253135397. The reversal of 253135350 is 53531352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15786 + ... + 27485.

It is an arithmetic number, because the mean of its divisors is an integer number (10172526).

Almost surely, 2253135350 is an apocalyptic number.

253135350 is an abundant number, since it is smaller than the sum of its proper divisors (479286522).

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

253135350 is a wasteful number, since it uses less digits than its factorization.

253135350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43302 (or 43294 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 253135350 is about 15910.2278424918. The cubic root of 253135350 is about 632.5831206149.

The spelling of 253135350 in words is "two hundred fifty-three million, one hundred thirty-five thousand, three hundred fifty".

Divisors: 1 2 3 5 6 9 10 13 15 18 25 26 30 39 45 50 65 75 78 90 117 130 150 195 225 234 325 390 450 585 650 975 1170 1950 2925 5850 43271 86542 129813 216355 259626 389439 432710 562523 649065 778878 1081775 1125046 1298130 1687569 1947195 2163550 2812615 3245325 3375138 3894390 5062707 5625230 6490650 8437845 9735975 10125414 14063075 16875690 19471950 25313535 28126150 42189225 50627070 84378450 126567675 253135350