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142360806 = 23719178397
BaseRepresentation
bin10000111110001…
…00000011100110
3100220212200022110
420133010003212
5242421021211
622043141450
73346022040
oct1037040346
9326780273
10142360806
11733a4865
123b814886
1323655a83
1414c9aa90
15c770ea6
hex87c40e6

142360806 has 32 divisors (see below), whose sum is σ = 342524160. Its totient is φ = 38533536.

The previous prime is 142360769. The next prime is 142360811. The reversal of 142360806 is 608063241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88401 + ... + 89996.

It is an arithmetic number, because the mean of its divisors is an integer number (10703880).

Almost surely, 2142360806 is an apocalyptic number.

142360806 is an abundant number, since it is smaller than the sum of its proper divisors (200163354).

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

142360806 is a wasteful number, since it uses less digits than its factorization.

142360806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178428.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 142360806 is about 11931.5047667928. The cubic root of 142360806 is about 522.1518399757.

The spelling of 142360806 in words is "one hundred forty-two million, three hundred sixty thousand, eight hundred six".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 178397 356794 535191 1070382 1248779 2497558 3389543 3746337 6779086 7492674 10168629 20337258 23726801 47453602 71180403 142360806