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53882440 = 2354331327
BaseRepresentation
bin1100110110001…
…0111001001000
310202101111210221
43031202321020
5102243214230
65202515424
71222664443
oct315427110
9122344727
1053882440
1128462747
1216065b74
13b217601
14722865a
154ae527a
hex3362e48

53882440 has 32 divisors (see below), whose sum is σ = 124058880. Its totient is φ = 21051072.

The previous prime is 53882431. The next prime is 53882447. The reversal of 53882440 is 4428835.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 53882396 and 53882405.

It is not an unprimeable number, because it can be changed into a prime (53882447) 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, 13944 + ... + 17383.

It is an arithmetic number, because the mean of its divisors is an integer number (3876840).

Almost surely, 253882440 is an apocalyptic number.

It is an amenable number.

53882440 is an abundant number, since it is smaller than the sum of its proper divisors (70176440).

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

53882440 is a wasteful number, since it uses less digits than its factorization.

53882440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31381 (or 31377 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 53882440 is about 7340.4659252666. The cubic root of 53882440 is about 377.7018262023.

The spelling of 53882440 in words is "fifty-three million, eight hundred eighty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1720 31327 62654 125308 156635 250616 313270 626540 1253080 1347061 2694122 5388244 6735305 10776488 13470610 26941220 53882440