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253890001 = 6726914087
BaseRepresentation
bin11110010001000…
…00110111010001
3122200201221121101
433020200313101
51004443440001
641105424401
76202013041
oct1710406721
9580657541
10253890001
11120350352
127103b101
13407a5191
1425a0d721
1517451a01
hexf220dd1

253890001 has 8 divisors (see below), whose sum is σ = 258655680. Its totient is φ = 249153168.

The previous prime is 253889959. The next prime is 253890029. The reversal of 253890001 is 100098352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253890001 - 217 = 253758929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253890061) 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 7 ways as a sum of consecutive naturals, for example, 10980 + ... + 25066.

It is an arithmetic number, because the mean of its divisors is an integer number (32331960).

Almost surely, 2253890001 is an apocalyptic number.

It is an amenable number.

253890001 is a deficient number, since it is larger than the sum of its proper divisors (4765679).

253890001 is a wasteful number, since it uses less digits than its factorization.

253890001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14423.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 253890001 is about 15933.9261012470. The cubic root of 253890001 is about 633.2111191387.

The spelling of 253890001 in words is "two hundred fifty-three million, eight hundred ninety thousand, one".

Divisors: 1 67 269 14087 18023 943829 3789403 253890001