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52342620 = 223511711117
BaseRepresentation
bin1100011110101…
…0111101011100
310122111021120120
43013222331130
5101344430440
65105514540
71203622251
oct307527534
9118437516
1052342620
1127600870
1215642a50
13aac8785
146d47428
1548dddd0
hex31eaf5c

52342620 has 96 divisors (see below), whose sum is σ = 162279936. Its totient is φ = 12499200.

The previous prime is 52342603. The next prime is 52342621. The reversal of 52342620 is 2624325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52342621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46302 + ... + 47418.

It is an arithmetic number, because the mean of its divisors is an integer number (1690416).

Almost surely, 252342620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52342620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81139968).

52342620 is an abundant number, since it is smaller than the sum of its proper divisors (109937316).

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

52342620 is a wasteful number, since it uses less digits than its factorization.

52342620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 52342620 is about 7234.8199701167. The cubic root of 52342620 is about 374.0690865348.

Adding to 52342620 its reverse (2624325), we get a palindrome (54966945).

The spelling of 52342620 in words is "fifty-two million, three hundred forty-two thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 71 110 132 142 165 213 220 284 330 355 426 660 710 781 852 1065 1117 1420 1562 2130 2234 2343 3124 3351 3905 4260 4468 4686 5585 6702 7810 9372 11170 11715 12287 13404 15620 16755 22340 23430 24574 33510 36861 46860 49148 61435 67020 73722 79307 122870 147444 158614 184305 237921 245740 317228 368610 396535 475842 737220 793070 872377 951684 1189605 1586140 1744754 2379210 2617131 3489508 4361885 4758420 5234262 8723770 10468524 13085655 17447540 26171310 52342620