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53486992 = 24131371877
BaseRepresentation
bin1100110000001…
…0010110010000
310201122102100201
43030002112100
5102143040432
65150224544
71216426516
oct314022620
9121572321
1053486992
1128212629
1215ab5154
13b109610
1471644b6
154a67ee7
hex3302590

53486992 has 40 divisors (see below), whose sum is σ = 112477176. Its totient is φ = 24493056.

The previous prime is 53486989. The next prime is 53487011. The reversal of 53486992 is 29968435.

It can be written as a sum of positive squares in 4 ways, for example, as 4822416 + 48664576 = 2196^2 + 6976^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27558 + ... + 29434.

Almost surely, 253486992 is an apocalyptic number.

53486992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53486992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56238588).

53486992 is an abundant number, since it is smaller than the sum of its proper divisors (58990184).

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

53486992 is a wasteful number, since it uses less digits than its factorization.

53486992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035 (or 2029 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 53486992 is about 7313.4801565329. The cubic root of 53486992 is about 376.7755607922.

The spelling of 53486992 in words is "fifty-three million, four hundred eighty-six thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 13 16 26 52 104 137 208 274 548 1096 1781 1877 2192 3562 3754 7124 7508 14248 15016 24401 28496 30032 48802 97604 195208 257149 390416 514298 1028596 2057192 3342937 4114384 6685874 13371748 26743496 53486992