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142248967 = 741895569
BaseRepresentation
bin10000111101010…
…00110000000111
3100220122222220021
420132220300013
5242403431332
622040520011
73345045010
oct1036506007
9326588807
10142248967
1173328833
123b780007
1323616bb3
1414c6c007
15c74cc97
hex87a8c07

142248967 has 16 divisors (see below), whose sum is σ = 168436800. Its totient is φ = 117596160.

The previous prime is 142248949. The next prime is 142248971. The reversal of 142248967 is 769842241.

It is a cyclic number.

It is not a de Polignac number, because 142248967 - 219 = 141724679 is a prime.

It is a super-2 number, since 2×1422489672 = 40469537225134178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142248937) 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, 22759 + ... + 28327.

It is an arithmetic number, because the mean of its divisors is an integer number (10527300).

Almost surely, 2142248967 is an apocalyptic number.

142248967 is a deficient number, since it is larger than the sum of its proper divisors (26187833).

142248967 is an equidigital number, since it uses as much as digits as its factorization.

142248967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5706.

The product of its digits is 193536, while the sum is 43.

The square root of 142248967 is about 11926.8171361852. The cubic root of 142248967 is about 522.0150695629.

The spelling of 142248967 in words is "one hundred forty-two million, two hundred forty-eight thousand, nine hundred sixty-seven".

Divisors: 1 7 41 89 287 623 3649 5569 25543 38983 228329 495641 1598303 3469487 20321281 142248967