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142648462 = 21117381413
BaseRepresentation
bin10001000000010…
…10010010001110
3100221102021220101
420200022102032
5243004222322
622053241314
73351330505
oct1040122216
9327367811
10142648462
11735809a0
123b93323a
1323726998
1414d3383c
15c7cb327
hex880a48e

142648462 has 16 divisors (see below), whose sum is σ = 247156272. Its totient is φ = 61025920.

The previous prime is 142648433. The next prime is 142648463. The reversal of 142648462 is 264846241.

It is a happy number.

142648462 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142648463) 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, 190333 + ... + 191080.

It is an arithmetic number, because the mean of its divisors is an integer number (15447267).

Almost surely, 2142648462 is an apocalyptic number.

142648462 is a deficient number, since it is larger than the sum of its proper divisors (104507810).

142648462 is a wasteful number, since it uses less digits than its factorization.

142648462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381443.

The product of its digits is 73728, while the sum is 37.

The square root of 142648462 is about 11943.5531564104. The cubic root of 142648462 is about 522.5032921811.

The spelling of 142648462 in words is "one hundred forty-two million, six hundred forty-eight thousand, four hundred sixty-two".

Divisors: 1 2 11 17 22 34 187 374 381413 762826 4195543 6484021 8391086 12968042 71324231 142648462