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53281006 = 253502651
BaseRepresentation
bin1100101101000…
…0000011101110
310201020221210121
43023100003232
5102114443011
65141555154
71214611132
oct313200356
9121227717
1053281006
1128091899
1215a15aba
13b06692c
14710d3c2
154a26e71
hex32d00ee

53281006 has 8 divisors (see below), whose sum is σ = 81429624. Its totient is φ = 26137800.

The previous prime is 53281001. The next prime is 53281031. The reversal of 53281006 is 60018235.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53281001) 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, 251220 + ... + 251431.

It is an arithmetic number, because the mean of its divisors is an integer number (10178703).

Almost surely, 253281006 is an apocalyptic number.

53281006 is a deficient number, since it is larger than the sum of its proper divisors (28148618).

53281006 is a wasteful number, since it uses less digits than its factorization.

53281006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502706.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 53281006 is about 7299.3839466081. The cubic root of 53281006 is about 376.2912665046.

The spelling of 53281006 in words is "fifty-three million, two hundred eighty-one thousand, six".

Divisors: 1 2 53 106 502651 1005302 26640503 53281006