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53420512 = 251669391
BaseRepresentation
bin1100101111001…
…0000111100000
310201112001011111
43023302013200
5102133424022
65144553104
71216031635
oct313620740
9121461144
1053420512
1128177692
1215a82794
13b0b5292
14714818c
154a53477
hex32f21e0

53420512 has 12 divisors (see below), whose sum is σ = 105171696. Its totient is φ = 26710240.

The previous prime is 53420503. The next prime is 53420539. The reversal of 53420512 is 21502435.

It is a super-2 number, since 2×534205122 = 5707502204684288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 834664 + ... + 834727.

It is an arithmetic number, because the mean of its divisors is an integer number (8764308).

Almost surely, 253420512 is an apocalyptic number.

It is an amenable number.

53420512 is a deficient number, since it is larger than the sum of its proper divisors (51751184).

53420512 is a wasteful number, since it uses less digits than its factorization.

53420512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669401 (or 1669393 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 53420512 is about 7308.9337115615. The cubic root of 53420512 is about 376.6193955697.

Adding to 53420512 its reverse (21502435), we get a palindrome (74922947).

The spelling of 53420512 in words is "fifty-three million, four hundred twenty thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 1669391 3338782 6677564 13355128 26710256 53420512