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455140253 = 3977431543
BaseRepresentation
bin11011001000001…
…110001110011101
31011201102112001102
4123020032032131
51413003442003
6113055122445
714164425341
oct3310161635
91151375042
10455140253
11213a07677
12108513425
13733a9579
1444639621
1529e56588
hex1b20e39d

455140253 has 8 divisors (see below), whose sum is σ = 457196928. Its totient is φ = 453088944.

The previous prime is 455140249. The next prime is 455140271. The reversal of 455140253 is 352041554.

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 455140253 - 22 = 455140249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455140453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294200 + ... + 295742.

It is an arithmetic number, because the mean of its divisors is an integer number (57149616).

Almost surely, 2455140253 is an apocalyptic number.

It is an amenable number.

455140253 is a deficient number, since it is larger than the sum of its proper divisors (2056675).

455140253 is a wasteful number, since it uses less digits than its factorization.

455140253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 455140253 is about 21334.0163354208. The cubic root of 455140253 is about 769.2161884008.

The spelling of 455140253 in words is "four hundred fifty-five million, one hundred forty thousand, two hundred fifty-three".

Divisors: 1 397 743 1543 294971 612571 1146449 455140253