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53243004 = 2238949853
BaseRepresentation
bin1100101100011…
…0110001111100
310201012000200010
43023012301330
5102112234004
65141103220
71214362263
oct313066174
9121160603
1053243004
1128066291
12159b7b10
13b052549
1470dd5da
154a1aa89
hex32c6c7c

53243004 has 24 divisors (see below), whose sum is σ = 125632080. Its totient is φ = 17547904.

The previous prime is 53242991. The next prime is 53243011. The reversal of 53243004 is 40034235.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23859 + ... + 25994.

It is an arithmetic number, because the mean of its divisors is an integer number (5234670).

Almost surely, 253243004 is an apocalyptic number.

It is an amenable number.

53243004 is an abundant number, since it is smaller than the sum of its proper divisors (72389076).

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

53243004 is a wasteful number, since it uses less digits than its factorization.

53243004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49949 (or 49947 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 53243004 is about 7296.7803858962. The cubic root of 53243004 is about 376.2017835735.

Adding to 53243004 its reverse (40034235), we get a palindrome (93277239).

The spelling of 53243004 in words is "fifty-three million, two hundred forty-three thousand, four".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 49853 99706 149559 199412 299118 598236 4436917 8873834 13310751 17747668 26621502 53243004