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53152512 = 28379887
BaseRepresentation
bin1100101011000…
…0101100000000
310201000102112120
43022300230000
5102101340022
65135124240
71213534410
oct312605400
9121012476
1053152512
11280042a6
1215973680
13b0202ba
1470b8640
1549edd5c
hex32b0b00

53152512 has 72 divisors (see below), whose sum is σ = 161688576. Its totient is φ = 15184896.

The previous prime is 53152499. The next prime is 53152529. The reversal of 53152512 is 21525135.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 433 + ... + 10319.

Almost surely, 253152512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53152512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80844288).

53152512 is an abundant number, since it is smaller than the sum of its proper divisors (108536064).

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

53152512 is an equidigital number, since it uses as much as digits as its factorization.

53152512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9913 (or 9899 counting only the distinct ones).

The product of its digits is 1500, while the sum is 24.

The square root of 53152512 is about 7290.5769319033. The cubic root of 53152512 is about 375.9885314142.

Adding to 53152512 its reverse (21525135), we get a palindrome (74677647).

The spelling of 53152512 in words is "fifty-three million, one hundred fifty-two thousand, five hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 672 768 896 1344 1792 2688 5376 9887 19774 29661 39548 59322 69209 79096 118644 138418 158192 207627 237288 276836 316384 415254 474576 553672 632768 830508 949152 1107344 1265536 1661016 1898304 2214688 2531072 3322032 3796608 4429376 6644064 7593216 8858752 13288128 17717504 26576256 53152512