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142606446 = 2341579701
BaseRepresentation
bin10001000000000…
…00000001101110
3100221100011021020
420200000001232
5243001401241
622052315010
73351064143
oct1040000156
9327304236
10142606446
1173552374
123b912a66
1323710818
1414d223ca
15c7bdb66
hex880006e

142606446 has 16 divisors (see below), whose sum is σ = 292169808. Its totient is φ = 46376000.

The previous prime is 142606379. The next prime is 142606459. The reversal of 142606446 is 644606241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289605 + ... + 290096.

It is an arithmetic number, because the mean of its divisors is an integer number (18260613).

Almost surely, 2142606446 is an apocalyptic number.

142606446 is an abundant number, since it is smaller than the sum of its proper divisors (149563362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142606446 is a wasteful number, since it uses less digits than its factorization.

142606446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579747.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 142606446 is about 11941.7940863172. The cubic root of 142606446 is about 522.4519873772.

It can be divided in two parts, 14260 and 6446, that added together give a triangular number (20706 = T203).

The spelling of 142606446 in words is "one hundred forty-two million, six hundred six thousand, four hundred forty-six".

Divisors: 1 2 3 6 41 82 123 246 579701 1159402 1739103 3478206 23767741 47535482 71303223 142606446