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4978380 = 22351119397
BaseRepresentation
bin10010111111011011001100
3100100221001110
4102333123030
52233302010
6254412020
760213141
oct22773314
910327043
104978380
1128a0370
121801010
131053cb4
149383c8
15685120
hex4bf6cc

4978380 has 96 divisors (see below), whose sum is σ = 16047360. Its totient is φ = 1140480.

The previous prime is 4978367. The next prime is 4978397. The reversal of 4978380 is 838794.

It is a congruent number.

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, 12342 + ... + 12738.

It is an arithmetic number, because the mean of its divisors is an integer number (167160).

Almost surely, 24978380 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 4978380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8023680).

4978380 is an abundant number, since it is smaller than the sum of its proper divisors (11068980).

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

4978380 is a wasteful number, since it uses less digits than its factorization.

4978380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 4978380 is about 2231.2283612396. The cubic root of 4978380 is about 170.7507740412.

The spelling of 4978380 in words is "four million, nine hundred seventy-eight thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 11 12 15 19 20 22 30 33 38 44 55 57 60 66 76 95 110 114 132 165 190 209 220 228 285 330 380 397 418 570 627 660 794 836 1045 1140 1191 1254 1588 1985 2090 2382 2508 3135 3970 4180 4367 4764 5955 6270 7543 7940 8734 11910 12540 13101 15086 17468 21835 22629 23820 26202 30172 37715 43670 45258 52404 65505 75430 82973 87340 90516 113145 131010 150860 165946 226290 248919 262020 331892 414865 452580 497838 829730 995676 1244595 1659460 2489190 4978380