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52839912 = 23319115877
BaseRepresentation
bin1100100110010…
…0010111101000
310200102112201210
43021210113220
5102011334122
65124313120
71211063136
oct311442750
9120375653
1052839912
1127910454
12158427a0
13ac40c28
147036756
15498b40c
hex32645e8

52839912 has 32 divisors (see below), whose sum is σ = 139053600. Its totient is φ = 16686144.

The previous prime is 52839911. The next prime is 52839949. The reversal of 52839912 is 21993825.

It is not an unprimeable number, because it can be changed into a prime (52839911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57483 + ... + 58394.

It is an arithmetic number, because the mean of its divisors is an integer number (4345425).

Almost surely, 252839912 is an apocalyptic number.

It is an amenable number.

52839912 is an abundant number, since it is smaller than the sum of its proper divisors (86213688).

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

52839912 is a wasteful number, since it uses less digits than its factorization.

52839912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115905 (or 115901 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 52839912 is about 7269.1066851436. The cubic root of 52839912 is about 375.2499950806.

The spelling of 52839912 in words is "fifty-two million, eight hundred thirty-nine thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 115877 231754 347631 463508 695262 927016 1390524 2201663 2781048 4403326 6604989 8806652 13209978 17613304 26419956 52839912