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53110640 = 2451160353
BaseRepresentation
bin1100101010011…
…0011101110000
310200221022002202
43022212131300
5102044020030
65134202332
71213301342
oct312463560
9120838082
1053110640
1127a858a0
12159533a8
13b00721b
1470a7292
1549e1745
hex32a6770

53110640 has 40 divisors (see below), whose sum is σ = 134710128. Its totient is φ = 19312640.

The previous prime is 53110613. The next prime is 53110691. The reversal of 53110640 is 4601135.

53110640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29297 + ... + 31056.

Almost surely, 253110640 is an apocalyptic number.

It is an amenable number.

53110640 is an abundant number, since it is smaller than the sum of its proper divisors (81599488).

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

53110640 is a wasteful number, since it uses less digits than its factorization.

53110640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60377 (or 60371 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 53110640 is about 7287.7047141058. The cubic root of 53110640 is about 375.8897745410.

Adding to 53110640 its reverse (4601135), we get a palindrome (57711775).

The spelling of 53110640 in words is "fifty-three million, one hundred ten thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 60353 120706 241412 301765 482824 603530 663883 965648 1207060 1327766 2414120 2655532 3319415 4828240 5311064 6638830 10622128 13277660 26555320 53110640