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4801280 = 28511231
BaseRepresentation
bin10010010100001100000000
3100000221010012
4102110030000
52212120110
6250524052
755544621
oct22241400
910027105
104801280
11278a300
121736628
13cc14c3
148cda48
1564c905
hex494300

4801280 has 108 divisors (see below), whose sum is σ = 13048896. Its totient is φ = 1689600.

The previous prime is 4801267. The next prime is 4801289. The reversal of 4801280 is 821084.

It is not an unprimeable number, because it can be changed into a prime (4801289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154865 + ... + 154895.

Almost surely, 24801280 is an apocalyptic number.

4801280 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 4801280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6524448).

4801280 is an abundant number, since it is smaller than the sum of its proper divisors (8247616).

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

4801280 is a wasteful number, since it uses less digits than its factorization.

4801280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 4801280 is about 2191.1823292460. The cubic root of 4801280 is about 168.7015260862.

The spelling of 4801280 in words is "four million, eight hundred one thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 31 32 40 44 55 62 64 80 88 110 121 124 128 155 160 176 220 242 248 256 310 320 341 352 440 484 496 605 620 640 682 704 880 968 992 1210 1240 1280 1364 1408 1705 1760 1936 1984 2420 2480 2728 2816 3410 3520 3751 3872 3968 4840 4960 5456 6820 7040 7502 7744 7936 9680 9920 10912 13640 14080 15004 15488 18755 19360 19840 21824 27280 30008 30976 37510 38720 39680 43648 54560 60016 75020 77440 87296 109120 120032 150040 154880 218240 240064 300080 436480 480128 600160 960256 1200320 2400640 4801280