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53062220 = 2252653111
BaseRepresentation
bin1100101001101…
…0101001001100
310200211211200102
43022122221030
5102040442340
65133150232
71213010231
oct312325114
9120754612
1053062220
1127a52482
121592b378
13acbb183
147093788
1549d2215
hex329aa4c

53062220 has 12 divisors (see below), whose sum is σ = 111430704. Its totient is φ = 21224880.

The previous prime is 53062211. The next prime is 53062249. The reversal of 53062220 is 2226035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2653111 = 53062220 / (5 + 3 + 0 + 6 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 53062192 and 53062201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326536 + ... + 1326575.

It is an arithmetic number, because the mean of its divisors is an integer number (9285892).

Almost surely, 253062220 is an apocalyptic number.

It is an amenable number.

53062220 is an abundant number, since it is smaller than the sum of its proper divisors (58368484).

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

53062220 is a wasteful number, since it uses less digits than its factorization.

53062220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653120 (or 2653118 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 53062220 is about 7284.3819229911. The cubic root of 53062220 is about 375.7755091965.

Adding to 53062220 its reverse (2226035), we get a palindrome (55288255).

The spelling of 53062220 in words is "fifty-three million, sixty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2653111 5306222 10612444 13265555 26531110 53062220