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52388301 = 3721918757
BaseRepresentation
bin1100011111011…
…0000111001101
310122120121020110
43013312013031
5101402411201
65110510233
71204202400
oct307660715
9118517213
1052388301
1127632119
1215665379
13ab134c4
146d59d37
1548ec6d6
hex31f61cd

52388301 has 24 divisors (see below), whose sum is σ = 85536480. Its totient is φ = 28359072.

The previous prime is 52388299. The next prime is 52388311. The reversal of 52388301 is 10388325.

It is a happy number.

It is not a de Polignac number, because 52388301 - 21 = 52388299 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52388311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6586 + ... + 12171.

It is an arithmetic number, because the mean of its divisors is an integer number (3564020).

Almost surely, 252388301 is an apocalyptic number.

It is an amenable number.

52388301 is a deficient number, since it is larger than the sum of its proper divisors (33148179).

52388301 is a wasteful number, since it uses less digits than its factorization.

52388301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18793 (or 18786 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 52388301 is about 7237.9763055705. The cubic root of 52388301 is about 374.1778753912.

The spelling of 52388301 in words is "fifty-two million, three hundred eighty-eight thousand, three hundred one".

Divisors: 1 3 7 19 21 49 57 133 147 399 931 2793 18757 56271 131299 356383 393897 919093 1069149 2494681 2757279 7484043 17462767 52388301