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142522944 = 263742307
BaseRepresentation
bin10000111111010…
…11101001000000
3100221011220201120
420133223221000
5242441213234
622050432240
73350265534
oct1037535100
9327156646
10142522944
11734a5663
123b892680
13236b1805
1414cddbc4
15c7a4049
hex87eba40

142522944 has 28 divisors (see below), whose sum is σ = 377092464. Its totient is φ = 47507584.

The previous prime is 142522931. The next prime is 142522949. The reversal of 142522944 is 449225241.

It is a happy number.

142522944 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142522949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370962 + ... + 371345.

It is an arithmetic number, because the mean of its divisors is an integer number (13467588).

Almost surely, 2142522944 is an apocalyptic number.

It is an amenable number.

142522944 is an abundant number, since it is smaller than the sum of its proper divisors (234569520).

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

142522944 is an equidigital number, since it uses as much as digits as its factorization.

142522944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742322 (or 742312 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 142522944 is about 11938.2973660401. The cubic root of 142522944 is about 522.3499950182.

The spelling of 142522944 in words is "one hundred forty-two million, five hundred twenty-two thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 742307 1484614 2226921 2969228 4453842 5938456 8907684 11876912 17815368 23753824 35630736 47507648 71261472 142522944