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52706130 = 23537103461
BaseRepresentation
bin1100100100001…
…1101101010010
310200011202012220
43021003231102
5101443044010
65121401510
71206665121
oct311035522
9120152186
1052706130
1127829994
1215799296
13abc5079
146dddab8
154961970
hex3243b52

52706130 has 64 divisors (see below), whose sum is σ = 131459328. Its totient is φ = 13512960.

The previous prime is 52706119. The next prime is 52706131. The reversal of 52706130 is 3160725.

It is a super-2 number, since 2×527061302 = 5555872279153800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52706130.

It is not an unprimeable number, because it can be changed into a prime (52706131) 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, 114100 + ... + 114560.

It is an arithmetic number, because the mean of its divisors is an integer number (2054052).

Almost surely, 252706130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52706130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65729664).

52706130 is an abundant number, since it is smaller than the sum of its proper divisors (78753198).

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

52706130 is a wasteful number, since it uses less digits than its factorization.

52706130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 52706130 is about 7259.8987596247. The cubic root of 52706130 is about 374.9330369321.

Adding to 52706130 its reverse (3160725), we get a palindrome (55866855).

The spelling of 52706130 in words is "fifty-two million, seven hundred six thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37 74 103 111 185 206 222 309 370 461 515 555 618 922 1030 1110 1383 1545 2305 2766 3090 3811 4610 6915 7622 11433 13830 17057 19055 22866 34114 38110 47483 51171 57165 85285 94966 102342 114330 142449 170570 237415 255855 284898 474830 511710 712245 1424490 1756871 3513742 5270613 8784355 10541226 17568710 26353065 52706130