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52238615 = 5111373061
BaseRepresentation
bin1100011101000…
…1100100010111
310122021222220112
43013101210113
5101333113430
65103353235
71203010112
oct307214427
9118258815
1052238615
112753a710
12155b281b
13aa90330
146d1b579
1548bd195
hex31d1917

52238615 has 16 divisors (see below), whose sum is σ = 73646496. Its totient is φ = 35068800.

The previous prime is 52238611. The next prime is 52238617. The reversal of 52238615 is 51683225.

52238615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52238615 - 22 = 52238611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52238611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35816 + ... + 37245.

It is an arithmetic number, because the mean of its divisors is an integer number (4602906).

Almost surely, 252238615 is an apocalyptic number.

52238615 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52238615 is a deficient number, since it is larger than the sum of its proper divisors (21407881).

52238615 is a wasteful number, since it uses less digits than its factorization.

52238615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73090.

The product of its digits is 14400, while the sum is 32.

The square root of 52238615 is about 7227.6285875797. The cubic root of 52238615 is about 373.8211633192.

The spelling of 52238615 in words is "fifty-two million, two hundred thirty-eight thousand, six hundred fifteen".

Divisors: 1 5 11 13 55 65 143 715 73061 365305 803671 949793 4018355 4748965 10447723 52238615