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53030004 = 223171911361
BaseRepresentation
bin1100101001001…
…0110001110100
310200210012111020
43022102301310
5102033430004
65132341140
71212514266
oct312226164
9120705436
1053030004
1127a30255
12159147b0
13aca9601
147085b36
1549c78d9
hex3292c74

53030004 has 48 divisors (see below), whose sum is σ = 131798016. Its totient is φ = 16537600.

The previous prime is 53029939. The next prime is 53030011. The reversal of 53030004 is 40003035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38284 + ... + 39644.

It is an arithmetic number, because the mean of its divisors is an integer number (2745792).

Almost surely, 253030004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53030004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65899008).

53030004 is an abundant number, since it is smaller than the sum of its proper divisors (78768012).

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

53030004 is a wasteful number, since it uses less digits than its factorization.

53030004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576 (or 1574 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 53030004 is about 7282.1702808984. The cubic root of 53030004 is about 375.6994448163.

Adding to 53030004 its reverse (40003035), we get a palindrome (93033039).

The spelling of 53030004 in words is "fifty-three million, thirty thousand, four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 191 204 382 573 764 1146 1361 2292 2722 3247 4083 5444 6494 8166 9741 12988 16332 19482 23137 38964 46274 69411 92548 138822 259951 277644 519902 779853 1039804 1559706 3119412 4419167 8838334 13257501 17676668 26515002 53030004