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53113450 = 25213411993
BaseRepresentation
bin1100101010011…
…1001001101010
310200221102221211
43022213021222
5102044112300
65134223334
71213312465
oct312471152
9120842854
1053113450
1127a87a15
1215954b4a
13b0085a0
1470a82dc
1549e24ba
hex32a726a

53113450 has 48 divisors (see below), whose sum is σ = 109039896. Its totient is φ = 19123200.

The previous prime is 53113421. The next prime is 53113499. The reversal of 53113450 is 5431135.

It is a happy number.

53113450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 594441 + 52519009 = 771^2 + 7247^2 .

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 23 ways as a sum of consecutive naturals, for example, 25654 + ... + 27646.

Almost surely, 253113450 is an apocalyptic number.

53113450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53113450 is an abundant number, since it is smaller than the sum of its proper divisors (55926446).

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

53113450 is a wasteful number, since it uses less digits than its factorization.

53113450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059 (or 2054 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 53113450 is about 7287.8975020235. The cubic root of 53113450 is about 375.8964036687.

Adding to 53113450 its reverse (5431135), we get a palindrome (58544585).

The spelling of 53113450 in words is "fifty-three million, one hundred thirteen thousand, four hundred fifty".

Divisors: 1 2 5 10 13 25 26 41 50 65 82 130 205 325 410 533 650 1025 1066 1993 2050 2665 3986 5330 9965 13325 19930 25909 26650 49825 51818 81713 99650 129545 163426 259090 408565 647725 817130 1062269 1295450 2042825 2124538 4085650 5311345 10622690 26556725 53113450