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142214065 = 5771151379
BaseRepresentation
bin10000111101000…
…00001110110001
3100220121020000121
420132200032301
5242401322230
622040050241
73344541160
oct1036401661
9326536017
10142214065
1173304594
123b763981
1323604046
1414c5d3d7
15c74277a
hex87a03b1

142214065 has 32 divisors (see below), whose sum is σ = 199618560. Its totient is φ = 95256000.

The previous prime is 142214063. The next prime is 142214071. The reversal of 142214065 is 560412241.

It is a happy number.

It is not a de Polignac number, because 142214065 - 21 = 142214063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142214063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375046 + ... + 375424.

It is an arithmetic number, because the mean of its divisors is an integer number (6238080).

Almost surely, 2142214065 is an apocalyptic number.

It is an amenable number.

142214065 is a deficient number, since it is larger than the sum of its proper divisors (57404495).

142214065 is a wasteful number, since it uses less digits than its factorization.

142214065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 142214065 is about 11925.3538731561. The cubic root of 142214065 is about 521.9723724509.

The spelling of 142214065 in words is "one hundred forty-two million, two hundred fourteen thousand, sixty-five".

Divisors: 1 5 7 35 71 151 355 379 497 755 1057 1895 2485 2653 5285 10721 13265 26909 53605 57229 75047 134545 188363 286145 375235 400603 941815 2003015 4063259 20316295 28442813 142214065