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514440040 = 23531414871
BaseRepresentation
bin11110101010011…
…011101101101000
31022212000021001211
4132222123231220
52023144040130
6123014122504
715514445122
oct3652335550
91285007054
10514440040
1124442a464
12124350434
138276c8ba
144c474212
153026ba2a
hex1ea9bb68

514440040 has 32 divisors (see below), whose sum is σ = 1194831360. Its totient is φ = 199137600.

The previous prime is 514440037. The next prime is 514440041. The reversal of 514440040 is 40044415.

It is a junction number, because it is equal to n+sod(n) for n = 514439993 and 514440020.

It is not an unprimeable number, because it can be changed into a prime (514440041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206196 + ... + 208675.

It is an arithmetic number, because the mean of its divisors is an integer number (37338480).

Almost surely, 2514440040 is an apocalyptic number.

It is an amenable number.

514440040 is an abundant number, since it is smaller than the sum of its proper divisors (680391320).

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

514440040 is a wasteful number, since it uses less digits than its factorization.

514440040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414913 (or 414909 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 514440040 is about 22681.2706875078. The cubic root of 514440040 is about 801.2688406570.

Adding to 514440040 its reverse (40044415), we get a palindrome (554484455).

The spelling of 514440040 in words is "five hundred fourteen million, four hundred forty thousand, forty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 620 1240 414871 829742 1659484 2074355 3318968 4148710 8297420 12861001 16594840 25722002 51444004 64305005 102888008 128610010 257220020 514440040