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1514740840 = 23589425489
BaseRepresentation
bin101101001001001…
…0001110001101000
310220120020210210121
41122102101301220
511100233201330
6410150053024
752352041024
oct13222216150
93816223717
101514740840
11708039238
1236334a174
131b1a83972
1410525d384
158ceac17a
hex5a491c68

1514740840 has 32 divisors (see below), whose sum is σ = 3446469000. Its totient is φ = 599087104.

The previous prime is 1514740823. The next prime is 1514740841. The reversal of 1514740840 is 480474151.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 843205444 + 671535396 = 29038^2 + 25914^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1514740796 and 1514740805.

It is not an unprimeable number, because it can be changed into a prime (1514740841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209185 + ... + 216304.

Almost surely, 21514740840 is an apocalyptic number.

1514740840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1514740840 is an abundant number, since it is smaller than the sum of its proper divisors (1931728160).

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

1514740840 is a wasteful number, since it uses less digits than its factorization.

1514740840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425589 (or 425585 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 1514740840 is about 38919.6716327361. The cubic root of 1514740840 is about 1148.4518146142.

The spelling of 1514740840 in words is "one billion, five hundred fourteen million, seven hundred forty thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 89 178 356 445 712 890 1780 3560 425489 850978 1701956 2127445 3403912 4254890 8509780 17019560 37868521 75737042 151474084 189342605 302948168 378685210 757370420 1514740840