Search a number
-
+
514754240 = 265711131607
BaseRepresentation
bin11110101011101…
…000011011000000
31022212121020001212
4132223220123000
52023234113430
6123024545252
715520224140
oct3653503300
91285536055
10514754240
11244624530
12124482228
138284c910
144c516920
15302ceb95
hex1eae86c0

514754240 has 224 divisors, whose sum is σ = 1646797824. Its totient is φ = 148008960.

The previous prime is 514754183. The next prime is 514754257. The reversal of 514754240 is 42457415.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 514754197 and 514754206.

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, 319517 + ... + 321123.

It is an arithmetic number, because the mean of its divisors is an integer number (7351776).

Almost surely, 2514754240 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 514754240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823398912).

514754240 is an abundant number, since it is smaller than the sum of its proper divisors (1132043584).

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

514754240 is a wasteful number, since it uses less digits than its factorization.

514754240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 514754240 is about 22688.1960499287. The cubic root of 514754240 is about 801.4319354220.

The spelling of 514754240 in words is "five hundred fourteen million, seven hundred fifty-four thousand, two hundred forty".