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253297045 = 5232202583
BaseRepresentation
bin11110001100100…
…00000110010101
3122122121211020001
433012100012111
51004321001140
641045011301
76163663231
oct1706200625
9578554201
10253297045
1111aa85901
12709b3b31
1340628311
14258d75c1
1517385e9a
hexf190195

253297045 has 8 divisors (see below), whose sum is σ = 317172096. Its totient is φ = 193827216.

The previous prime is 253297027. The next prime is 253297061. The reversal of 253297045 is 540792352.

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

It is a cyclic number.

It is not a de Polignac number, because 253297045 - 213 = 253288853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253296995 and 253297013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101177 + ... + 1101406.

It is an arithmetic number, because the mean of its divisors is an integer number (39646512).

Almost surely, 2253297045 is an apocalyptic number.

It is an amenable number.

253297045 is a deficient number, since it is larger than the sum of its proper divisors (63875051).

253297045 is a wasteful number, since it uses less digits than its factorization.

253297045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202611.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 253297045 is about 15915.3085109903. The cubic root of 253297045 is about 632.7177834300.

The spelling of 253297045 in words is "two hundred fifty-three million, two hundred ninety-seven thousand, forty-five".

Divisors: 1 5 23 115 2202583 11012915 50659409 253297045