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53144488 = 2322929009
BaseRepresentation
bin1100101010111…
…0101110101000
310201000000112101
43022232232220
5102101110423
65135023144
71213502125
oct312565650
9121000471
1053144488
1127aa9271
121596aab4
13b019757
1470b574c
1549eb7ad
hex32aeba8

53144488 has 16 divisors (see below), whose sum is σ = 100084500. Its totient is φ = 26455296.

The previous prime is 53144479. The next prime is 53144489. The reversal of 53144488 is 88444135.

It can be written as a sum of positive squares in 2 ways, for example, as 53027524 + 116964 = 7282^2 + 342^2 .

It is not an unprimeable number, because it can be changed into a prime (53144489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12673 + ... + 16336.

Almost surely, 253144488 is an apocalyptic number.

It is an amenable number.

53144488 is a deficient number, since it is larger than the sum of its proper divisors (46940012).

53144488 is a wasteful number, since it uses less digits than its factorization.

53144488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29244 (or 29240 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 53144488 is about 7290.0266117484. The cubic root of 53144488 is about 375.9696104909.

The spelling of 53144488 in words is "fifty-three million, one hundred forty-four thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 229 458 916 1832 29009 58018 116036 232072 6643061 13286122 26572244 53144488