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5761280 = 2857643
BaseRepresentation
bin10101111110100100000000
3101211200222202
4111332210000
52433330110
6323252332
766653510
oct25764400
911750882
105761280
113285598
121b1a0a8
131269455
14a9d840
1578c0a5
hex57e900

5761280 has 72 divisors (see below), whose sum is σ = 15796032. Its totient is φ = 1972224.

The previous prime is 5761277. The next prime is 5761289. The reversal of 5761280 is 821675.

It is not an unprimeable number, because it can be changed into a prime (5761289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8639 + ... + 9281.

Almost surely, 25761280 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 5761280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7898016).

5761280 is an abundant number, since it is smaller than the sum of its proper divisors (10034752).

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

5761280 is an equidigital number, since it uses as much as digits as its factorization.

5761280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 5761280 is about 2400.2666518535. The cubic root of 5761280 is about 179.2694671151.

The spelling of 5761280 in words is "five million, seven hundred sixty-one thousand, two hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 560 640 643 896 1120 1280 1286 1792 2240 2572 3215 4480 4501 5144 6430 8960 9002 10288 12860 18004 20576 22505 25720 36008 41152 45010 51440 72016 82304 90020 102880 144032 164608 180040 205760 288064 360080 411520 576128 720160 823040 1152256 1440320 2880640 5761280