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4778480 = 245722353
BaseRepresentation
bin10010001110100111110000
322222202211202
4102032213300
52210402410
6250230332
755421300
oct22164760
98882752
104778480
112774163
1217253a8
13cb4005
148c5600
15645ca5
hex48e9f0

4778480 has 120 divisors (see below), whose sum is σ = 13740192. Its totient is φ = 1537536.

The previous prime is 4778467. The next prime is 4778483. The reversal of 4778480 is 848774.

It is a super-3 number, since 3×47784803 (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90134 + ... + 90186.

Almost surely, 24778480 is an apocalyptic number.

4778480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4778480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6870096).

4778480 is an abundant number, since it is smaller than the sum of its proper divisors (8961712).

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

4778480 is a wasteful number, since it uses less digits than its factorization.

4778480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 4778480 is about 2185.9734673596. The cubic root of 4778480 is about 168.4340627285.

The spelling of 4778480 in words is "four million, seven hundred seventy-eight thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 23 28 35 40 46 49 53 56 70 80 92 98 106 112 115 140 161 184 196 212 230 245 265 280 322 368 371 392 424 460 490 530 560 644 742 784 805 848 920 980 1060 1127 1219 1288 1484 1610 1840 1855 1960 2120 2254 2438 2576 2597 2968 3220 3710 3920 4240 4508 4876 5194 5635 5936 6095 6440 7420 8533 9016 9752 10388 11270 12190 12880 12985 14840 17066 18032 19504 20776 22540 24380 25970 29680 34132 41552 42665 45080 48760 51940 59731 68264 85330 90160 97520 103880 119462 136528 170660 207760 238924 298655 341320 477848 597310 682640 955696 1194620 2389240 4778480