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53723004 = 2234476917
BaseRepresentation
bin1100110011101…
…1111101111100
310202002102002220
43030323331330
5102223114004
65155245340
71221431556
oct314737574
9122072086
1053723004
1128363985
1215ba9850
13b18cb7a
1471c64d6
154ab2dd9
hex333bf7c

53723004 has 12 divisors (see below), whose sum is σ = 125353704. Its totient is φ = 17907664.

The previous prime is 53723003. The next prime is 53723029. The reversal of 53723004 is 40032735.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×537230042 = 5772322317568032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53723003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2238447 + ... + 2238470.

It is an arithmetic number, because the mean of its divisors is an integer number (10446142).

Almost surely, 253723004 is an apocalyptic number.

It is an amenable number.

53723004 is an abundant number, since it is smaller than the sum of its proper divisors (71630700).

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

53723004 is a wasteful number, since it uses less digits than its factorization.

53723004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476924 (or 4476922 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 53723004 is about 7329.5978061555. The cubic root of 53723004 is about 377.3289232574.

Adding to 53723004 its reverse (40032735), we get a palindrome (93755739).

The spelling of 53723004 in words is "fifty-three million, seven hundred twenty-three thousand, four".

Divisors: 1 2 3 4 6 12 4476917 8953834 13430751 17907668 26861502 53723004