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253330368 = 2631319429
BaseRepresentation
bin11110001100110…
…00001111000000
3122122200111221020
433012120033000
51004323032433
641045425440
76164162334
oct1706301700
9578614836
10253330368
1111aaa8945
1270a0b280
134063a535
14259057c4
1517390cb3
hexf1983c0

253330368 has 28 divisors (see below), whose sum is σ = 670270440. Its totient is φ = 84443392.

The previous prime is 253330361. The next prime is 253330369. The reversal of 253330368 is 863033352.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253330361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659523 + ... + 659906.

It is an arithmetic number, because the mean of its divisors is an integer number (23938230).

Almost surely, 2253330368 is an apocalyptic number.

It is an amenable number.

253330368 is an abundant number, since it is smaller than the sum of its proper divisors (416940072).

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

253330368 is a wasteful number, since it uses less digits than its factorization.

253330368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319444 (or 1319434 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 253330368 is about 15916.3553617026. The cubic root of 253330368 is about 632.7455283650.

The spelling of 253330368 in words is "two hundred fifty-three million, three hundred thirty thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 1319429 2638858 3958287 5277716 7916574 10555432 15833148 21110864 31666296 42221728 63332592 84443456 126665184 253330368