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142294764 = 22329419973
BaseRepresentation
bin10000111101100…
…11111011101100
3100220202022201110
420132303323230
5242411413024
622041512020
73345325353
oct1036637354
9326668643
10142294764
117335a187
123b7a2610
13236319b1
1414c8099a
15c75b629
hex87b3eec

142294764 has 48 divisors (see below), whose sum is σ = 351882720. Its totient is φ = 44674560.

The previous prime is 142294753. The next prime is 142294769. The reversal of 142294764 is 467492241.

It is not an unprimeable number, because it can be changed into a prime (142294769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9282 + ... + 19254.

It is an arithmetic number, because the mean of its divisors is an integer number (7330890).

Almost surely, 2142294764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142294764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175941360).

142294764 is an abundant number, since it is smaller than the sum of its proper divisors (209587956).

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

142294764 is a wasteful number, since it uses less digits than its factorization.

142294764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050 (or 10048 counting only the distinct ones).

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

The square root of 142294764 is about 11928.7368987668. The cubic root of 142294764 is about 522.0710844021.

The spelling of 142294764 in words is "one hundred forty-two million, two hundred ninety-four thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 29 41 58 82 87 116 123 164 174 246 348 492 1189 2378 3567 4756 7134 9973 14268 19946 29919 39892 59838 119676 289217 408893 578434 817786 867651 1156868 1226679 1635572 1735302 2453358 3470604 4906716 11857897 23715794 35573691 47431588 71147382 142294764