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142268763 = 3713240087
BaseRepresentation
bin10000111101011…
…01100101011011
3100220201000001110
420132231211123
5242410100023
622041151403
73345156510
oct1036554533
9326630043
10142268763
117334169a
123b78b563
1323622c00
1414c75307
15c753a93
hex87ad95b

142268763 has 24 divisors (see below), whose sum is σ = 234755328. Its totient is φ = 75040992.

The previous prime is 142268761. The next prime is 142268779. The reversal of 142268763 is 367862241.

It is a happy number.

It is not a de Polignac number, because 142268763 - 21 = 142268761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (142268761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16495 + ... + 23592.

It is an arithmetic number, because the mean of its divisors is an integer number (9781472).

Almost surely, 2142268763 is an apocalyptic number.

142268763 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142268763 is a deficient number, since it is larger than the sum of its proper divisors (92486565).

142268763 is a wasteful number, since it uses less digits than its factorization.

142268763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40123 (or 40110 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 142268763 is about 11927.6470018189. The cubic root of 142268763 is about 522.0392837540.

The spelling of 142268763 in words is "one hundred forty-two million, two hundred sixty-eight thousand, seven hundred sixty-three".

Divisors: 1 3 7 13 21 39 91 169 273 507 1183 3549 40087 120261 280609 521131 841827 1563393 3647917 6774703 10943751 20324109 47422921 142268763