Search a number
-
+
53020460 = 2259972659
BaseRepresentation
bin1100101001000…
…0011100101100
310200202201101202
43022100130230
5102033123320
65132225032
71212444413
oct312203454
9120681352
1053020460
1127a24069
121590b178
13aca516c
14708247a
1549c4b75
hex329072c

53020460 has 24 divisors (see below), whose sum is σ = 111496560. Its totient is φ = 21178944.

The previous prime is 53020459. The next prime is 53020463. The reversal of 53020460 is 6402035.

It is a super-2 number, since 2×530204602 = 5622338357223200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (53020463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18611 + ... + 21269.

It is an arithmetic number, because the mean of its divisors is an integer number (4645690).

Almost surely, 253020460 is an apocalyptic number.

It is an amenable number.

53020460 is an abundant number, since it is smaller than the sum of its proper divisors (58476100).

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

53020460 is a wasteful number, since it uses less digits than its factorization.

53020460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665 (or 3663 counting only the distinct ones).

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

The square root of 53020460 is about 7281.5149522610. The cubic root of 53020460 is about 375.6769048052.

Adding to 53020460 its reverse (6402035), we get a palindrome (59422495).

The spelling of 53020460 in words is "fifty-three million, twenty thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 997 1994 2659 3988 4985 5318 9970 10636 13295 19940 26590 53180 2651023 5302046 10604092 13255115 26510230 53020460