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514238740 = 22525711937
BaseRepresentation
bin11110101001101…
…010100100010100
31022211122000221021
4132221222210110
52023121114430
6123005530524
715512646211
oct3651524424
91284560837
10514238740
112443021a4
12124273a44
13826cc0a2
144c420b08
153022c07a
hex1ea6a914

514238740 has 12 divisors (see below), whose sum is σ = 1079901396. Its totient is φ = 205695488.

The previous prime is 514238719. The next prime is 514238741. The reversal of 514238740 is 47832415.

It can be written as a sum of positive squares in 2 ways, for example, as 205463556 + 308775184 = 14334^2 + 17572^2 .

It is a junction number, because it is equal to n+sod(n) for n = 514238696 and 514238705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514238741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12855949 + ... + 12855988.

It is an arithmetic number, because the mean of its divisors is an integer number (89991783).

Almost surely, 2514238740 is an apocalyptic number.

It is an amenable number.

514238740 is an abundant number, since it is smaller than the sum of its proper divisors (565662656).

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

514238740 is a wasteful number, since it uses less digits than its factorization.

514238740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25711946 (or 25711944 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 514238740 is about 22676.8326712528. The cubic root of 514238740 is about 801.1643150577.

The spelling of 514238740 in words is "five hundred fourteen million, two hundred thirty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 25711937 51423874 102847748 128559685 257119370 514238740