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519253742 = 27237115643
BaseRepresentation
bin11110111100110…
…010111011101110
31100012001211020002
4132330302323232
52030412104432
6123305224302
715603404210
oct3674627356
91305054202
10519253742
11247118027
12125a92092
1383766947
144cd685b0
15308bce62
hex1ef32eee

519253742 has 16 divisors (see below), whose sum is σ = 890581632. Its totient is φ = 222429240.

The previous prime is 519253741. The next prime is 519253747. The reversal of 519253742 is 247352915.

It is a junction number, because it is equal to n+sod(n) for n = 519253696 and 519253705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (519253741) 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, 25373 + ... + 41015.

It is an arithmetic number, because the mean of its divisors is an integer number (55661352).

Almost surely, 2519253742 is an apocalyptic number.

519253742 is a deficient number, since it is larger than the sum of its proper divisors (371327890).

519253742 is a wasteful number, since it uses less digits than its factorization.

519253742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18023.

The product of its digits is 75600, while the sum is 38.

The square root of 519253742 is about 22787.1398380753. The cubic root of 519253742 is about 803.7602882231.

The spelling of 519253742 in words is "five hundred nineteen million, two hundred fifty-three thousand, seven hundred forty-two".

Divisors: 1 2 7 14 2371 4742 15643 16597 31286 33194 109501 219002 37089553 74179106 259626871 519253742