[go: up one dir, main page]

Search a number
-
+
142460717 = 7311993299
BaseRepresentation
bin10000111110111…
…00011100101101
3100221001202100212
420133130130231
5242432220332
622045232205
73346616240
oct1037343455
9327052325
10142460717
1173462933
123b862665
132368c3a9
1414cc5257
15c7908b2
hex87dc72d

142460717 has 16 divisors (see below), whose sum is σ = 168960000. Its totient is φ = 117540720.

The previous prime is 142460687. The next prime is 142460729. The reversal of 142460717 is 717064241.

It is a cyclic number.

It is not a de Polignac number, because 142460717 - 26 = 142460653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142460777) 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, 41534 + ... + 44832.

It is an arithmetic number, because the mean of its divisors is an integer number (10560000).

Almost surely, 2142460717 is an apocalyptic number.

It is an amenable number.

142460717 is a deficient number, since it is larger than the sum of its proper divisors (26499283).

142460717 is a wasteful number, since it uses less digits than its factorization.

142460717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 142460717 is about 11935.6908890939. The cubic root of 142460717 is about 522.2739628043.

The spelling of 142460717 in words is "one hundred forty-two million, four hundred sixty thousand, seven hundred seventeen".

Divisors: 1 7 31 199 217 1393 3299 6169 23093 43183 102269 656501 715883 4595507 20351531 142460717