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53020319 = 111072421
BaseRepresentation
bin1100101001000…
…0011010011111
310200202201012112
43022100122133
5102033122234
65132224235
71212444122
oct312203237
9120681175
1053020319
1127a23a50
121590b07b
13aca5091
1470823b9
1549c4ace
hex329069f

53020319 has 12 divisors (see below), whose sum is σ = 58524648. Its totient is φ = 47636400.

The previous prime is 53020307. The next prime is 53020361. The reversal of 53020319 is 91302035.

It is a happy number.

53020319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-53020319 is a prime.

It is a super-2 number, since 2×530203192 = 5622308453723522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53020294 and 53020303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53020369) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 125729 + ... + 126149.

It is an arithmetic number, because the mean of its divisors is an integer number (4877054).

Almost surely, 253020319 is an apocalyptic number.

53020319 is a deficient number, since it is larger than the sum of its proper divisors (5504329).

53020319 is a wasteful number, since it uses less digits than its factorization.

53020319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 53020319 is about 7281.5052702034. The cubic root of 53020319 is about 375.6765717861.

The spelling of 53020319 in words is "fifty-three million, twenty thousand, three hundred nineteen".

Divisors: 1 11 107 421 1177 4631 11449 45047 125939 495517 4820029 53020319