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505057120 = 25510729501
BaseRepresentation
bin11110000110101…
…000111101100000
31022012100120010021
4132012220331200
52013243311440
6122041043224
715341625511
oct3606507540
91265316107
10505057120
1123a100987
12121186514
1380835b89
144b110a08
152e51684a
hex1e1a8f60

505057120 has 48 divisors (see below), whose sum is σ = 1204389648. Its totient is φ = 200128000.

The previous prime is 505057117. The next prime is 505057123. The reversal of 505057120 is 21750505.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (505057117) and next prime (505057123).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505057123) 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, 2370 + ... + 31870.

It is an arithmetic number, because the mean of its divisors is an integer number (25091451).

Almost surely, 2505057120 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 505057120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602194824).

505057120 is an abundant number, since it is smaller than the sum of its proper divisors (699332528).

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

505057120 is a wasteful number, since it uses less digits than its factorization.

505057120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29623 (or 29615 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 505057120 is about 22473.4759216281. The cubic root of 505057120 is about 796.3674473332.

The spelling of 505057120 in words is "five hundred five million, fifty-seven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 107 160 214 428 535 856 1070 1712 2140 3424 4280 8560 17120 29501 59002 118004 147505 236008 295010 472016 590020 944032 1180040 2360080 3156607 4720160 6313214 12626428 15783035 25252856 31566070 50505712 63132140 101011424 126264280 252528560 505057120