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253116650 = 2529752189
BaseRepresentation
bin11110001011001…
…00000011101010
3122122021122202202
433011210003222
51004244213100
641041100202
76162312263
oct1705440352
9578248682
10253116650
1111a972316
1270927662
1340594187
142588b96a
151734c7d5
hexf1640ea

253116650 has 24 divisors (see below), whose sum is σ = 475659660. Its totient is φ = 100200960.

The previous prime is 253116649. The next prime is 253116653. The reversal of 253116650 is 56611352.

It can be written as a sum of positive squares in 6 ways, for example, as 15124321 + 237992329 = 3889^2 + 15427^2 .

It is not an unprimeable number, because it can be changed into a prime (253116653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21245 + ... + 30944.

Almost surely, 2253116650 is an apocalyptic number.

253116650 is a deficient number, since it is larger than the sum of its proper divisors (222543010).

253116650 is a wasteful number, since it uses less digits than its factorization.

253116650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52298 (or 52293 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 253116650 is about 15909.6401593499. The cubic root of 253116650 is about 632.5675431835.

The spelling of 253116650 in words is "two hundred fifty-three million, one hundred sixteen thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 97 194 485 970 2425 4850 52189 104378 260945 521890 1304725 2609450 5062333 10124666 25311665 50623330 126558325 253116650