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52305480 = 23335192549
BaseRepresentation
bin1100011110000…
…1111001001000
310122102101122000
43013201321020
5101342233410
65105031000
71203406053
oct307417110
9118371560
1052305480
1127585977
1215625460
13aab48b6
146d37a9a
1548d2dc0
hex31e1e48

52305480 has 128 divisors (see below), whose sum is σ = 183600000. Its totient is φ = 13208832.

The previous prime is 52305479. The next prime is 52305497. The reversal of 52305480 is 8450325.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 19246 + ... + 21794.

It is an arithmetic number, because the mean of its divisors is an integer number (1434375).

Almost surely, 252305480 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 52305480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91800000).

52305480 is an abundant number, since it is smaller than the sum of its proper divisors (131294520).

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

52305480 is a wasteful number, since it uses less digits than its factorization.

52305480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588 (or 2578 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 52305480 is about 7232.2527610697. The cubic root of 52305480 is about 373.9805913270.

The spelling of 52305480 in words is "fifty-two million, three hundred five thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 19 20 24 27 30 36 38 40 45 54 57 60 72 76 90 95 108 114 120 135 152 171 180 190 216 228 270 285 342 360 380 456 513 540 570 684 760 855 1026 1080 1140 1368 1710 2052 2280 2549 2565 3420 4104 5098 5130 6840 7647 10196 10260 12745 15294 20392 20520 22941 25490 30588 38235 45882 48431 50980 61176 68823 76470 91764 96862 101960 114705 137646 145293 152940 183528 193724 229410 242155 275292 290586 305880 344115 387448 435879 458820 484310 550584 581172 688230 726465 871758 917640 968620 1162344 1307637 1376460 1452930 1743516 1937240 2179395 2615274 2752920 2905860 3487032 4358790 5230548 5811720 6538185 8717580 10461096 13076370 17435160 26152740 52305480