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142380854 = 2711924551
BaseRepresentation
bin10000111110010…
…00111100110110
3100220220200210222
420133020330312
5242422141404
622043414342
73346134350
oct1037107466
9326820728
10142380854
1173408930
123b8243b2
1323661c35
1414ca40d0
15c776dbe
hex87c8f36

142380854 has 16 divisors (see below), whose sum is σ = 266270976. Its totient is φ = 55473000.

The previous prime is 142380841. The next prime is 142380857. The reversal of 142380854 is 458083241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142380857) 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, 462122 + ... + 462429.

It is an arithmetic number, because the mean of its divisors is an integer number (16641936).

Almost surely, 2142380854 is an apocalyptic number.

142380854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142380854 is a deficient number, since it is larger than the sum of its proper divisors (123890122).

142380854 is a wasteful number, since it uses less digits than its factorization.

142380854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924571.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 142380854 is about 11932.3448659515. The cubic root of 142380854 is about 522.1763495511.

The spelling of 142380854 in words is "one hundred forty-two million, three hundred eighty thousand, eight hundred fifty-four".

Divisors: 1 2 7 11 14 22 77 154 924551 1849102 6471857 10170061 12943714 20340122 71190427 142380854