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253886341 = 1937409883
BaseRepresentation
bin11110010000111…
…11111110000101
3122200201202120211
433020133332011
51004443330331
641105355421
76201666262
oct1710377605
9580652524
10253886341
11120348625
1271038b71
13407a3607
1425a0c269
15174508b1
hexf21ff85

253886341 has 16 divisors (see below), whose sum is σ = 275454400. Its totient is φ = 233186688.

The previous prime is 253886327. The next prime is 253886357. The reversal of 253886341 is 143688352.

It is a cyclic number.

It is not a de Polignac number, because 253886341 - 215 = 253853573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253886294 and 253886303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253886441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287086 + ... + 287968.

It is an arithmetic number, because the mean of its divisors is an integer number (17215900).

Almost surely, 2253886341 is an apocalyptic number.

It is an amenable number.

253886341 is a deficient number, since it is larger than the sum of its proper divisors (21568059).

253886341 is a wasteful number, since it uses less digits than its factorization.

253886341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348.

The product of its digits is 138240, while the sum is 40.

The square root of 253886341 is about 15933.8112515493. The cubic root of 253886341 is about 633.2080763986.

The spelling of 253886341 in words is "two hundred fifty-three million, eight hundred eighty-six thousand, three hundred forty-one".

Divisors: 1 19 37 409 703 883 7771 15133 16777 32671 287527 361147 620749 6861793 13362439 253886341