Search a number
-
+
52996530 = 23571139179
BaseRepresentation
bin1100101000101…
…0100110110010
310200201111120110
43022022212302
5102031342110
65131522150
71212314556
oct312124662
9120644513
1052996530
1127a08094
12158b9356
13ac972c2
147077866
1549bca20
hex328a9b2

52996530 has 64 divisors (see below), whose sum is σ = 130636800. Its totient is φ = 13755840.

The previous prime is 52996523. The next prime is 52996607. The reversal of 52996530 is 3569925.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295981 + ... + 296159.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 252996530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52996530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65318400).

52996530 is an abundant number, since it is smaller than the sum of its proper divisors (77640270).

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

52996530 is a wasteful number, since it uses less digits than its factorization.

52996530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 52996530 is about 7279.8715648011. The cubic root of 52996530 is about 375.6203775630.

The spelling of 52996530 in words is "fifty-two million, nine hundred ninety-six thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 71 139 142 179 213 278 355 358 417 426 537 695 710 834 895 1065 1074 1390 1790 2085 2130 2685 4170 5370 9869 12709 19738 24881 25418 29607 38127 49345 49762 59214 63545 74643 76254 98690 124405 127090 148035 149286 190635 248810 296070 373215 381270 746430 1766551 3533102 5299653 8832755 10599306 17665510 26498265 52996530