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53480238 = 2377317443
BaseRepresentation
bin1100110000000…
…0101100101110
310201122002002120
43030000230232
5102142331423
65150133410
71216401030
oct314005456
9121562076
1053480238
1128208549
1215ab1266
13b106516
147161c50
154a65ee3
hex3300b2e

53480238 has 32 divisors (see below), whose sum is σ = 123922176. Its totient is φ = 15069888.

The previous prime is 53480237. The next prime is 53480243. The reversal of 53480238 is 83208435.

It is a junction number, because it is equal to n+sod(n) for n = 53480199 and 53480208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53480237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5656 + ... + 11787.

It is an arithmetic number, because the mean of its divisors is an integer number (3872568).

Almost surely, 253480238 is an apocalyptic number.

53480238 is an abundant number, since it is smaller than the sum of its proper divisors (70441938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53480238 is a wasteful number, since it uses less digits than its factorization.

53480238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17528.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 53480238 is about 7313.0183918817. The cubic root of 53480238 is about 376.7597011775.

The spelling of 53480238 in words is "fifty-three million, four hundred eighty thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 73 146 219 438 511 1022 1533 3066 17443 34886 52329 104658 122101 244202 366303 732606 1273339 2546678 3820017 7640034 8913373 17826746 26740119 53480238