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142463519 = 11171495113
BaseRepresentation
bin10000111110111…
…01001000011111
3100221001220012122
420133131020133
5242432313034
622045253155
73346630352
oct1037351037
9327056178
10142463519
1173464a50
123b8641bb
1323690753
1414cc6299
15c79162e
hex87dd21f

142463519 has 16 divisors (see below), whose sum is σ = 165693600. Its totient is φ = 121052160.

The previous prime is 142463509. The next prime is 142463521. The reversal of 142463519 is 915364241.

It is a cyclic number.

It is not a de Polignac number, because 142463519 - 28 = 142463263 is a prime.

It is a super-2 number, since 2×1424635192 = 40591708491726722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142463509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25307 + ... + 30419.

It is an arithmetic number, because the mean of its divisors is an integer number (10355850).

Almost surely, 2142463519 is an apocalyptic number.

142463519 is a deficient number, since it is larger than the sum of its proper divisors (23230081).

142463519 is a wasteful number, since it uses less digits than its factorization.

142463519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290.

The product of its digits is 25920, while the sum is 35.

The square root of 142463519 is about 11935.8082675619. The cubic root of 142463519 is about 522.2773869110.

The spelling of 142463519 in words is "one hundred forty-two million, four hundred sixty-three thousand, five hundred nineteen".

Divisors: 1 11 17 149 187 1639 2533 5113 27863 56243 86921 761837 956131 8380207 12951229 142463519