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142340465 = 5220712899
BaseRepresentation
bin10000111101111…
…11000101110001
3100220211122102002
420132333011301
5242414343330
622042503345
73345605531
oct1036770561
9326748362
10142340465
1173390553
123b804b55
1323649737
1414c934c1
15c769e45
hex87bf171

142340465 has 8 divisors (see below), whose sum is σ = 170899200. Its totient is φ = 113811952.

The previous prime is 142340461. The next prime is 142340467. The reversal of 142340465 is 564043241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142340465 - 22 = 142340461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142340461) 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, 4586 + ... + 17484.

It is an arithmetic number, because the mean of its divisors is an integer number (21362400).

Almost surely, 2142340465 is an apocalyptic number.

It is an amenable number.

142340465 is a deficient number, since it is larger than the sum of its proper divisors (28558735).

142340465 is a wasteful number, since it uses less digits than its factorization.

142340465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15111.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 142340465 is about 11930.6523291897. The cubic root of 142340465 is about 522.1269698428.

The spelling of 142340465 in words is "one hundred forty-two million, three hundred forty thousand, four hundred sixty-five".

Divisors: 1 5 2207 11035 12899 64495 28468093 142340465