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52572255 = 3516372141
BaseRepresentation
bin1100100010001…
…1000001011111
310122220221120120
43020203001133
5101424303010
65114450023
71205566611
oct310430137
9118827516
1052572255
112774834a
1215733913
13ab79158
146da6db1
154936e70
hex322305f

52572255 has 16 divisors (see below), whose sum is σ = 84206304. Its totient is φ = 28008320.

The previous prime is 52572251. The next prime is 52572257. The reversal of 52572255 is 55227525.

It is not a de Polignac number, because 52572255 - 22 = 52572251 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52572251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23485 + ... + 25625.

It is an arithmetic number, because the mean of its divisors is an integer number (5262894).

Almost surely, 252572255 is an apocalyptic number.

52572255 is a deficient number, since it is larger than the sum of its proper divisors (31634049).

52572255 is a wasteful number, since it uses less digits than its factorization.

52572255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786.

The product of its digits is 35000, while the sum is 33.

The square root of 52572255 is about 7250.6727274095. The cubic root of 52572255 is about 374.6153210828.

The spelling of 52572255 in words is "fifty-two million, five hundred seventy-two thousand, two hundred fifty-five".

Divisors: 1 3 5 15 1637 2141 4911 6423 8185 10705 24555 32115 3504817 10514451 17524085 52572255