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142373224 = 23722511447
BaseRepresentation
bin10000111110001…
…11000101101000
3100220220022100101
420133013011220
5242421420344
622043315144
73346103200
oct1037070550
9326808311
10142373224
1173403124
123b81bab4
132365b616
1414ca1400
15c7749d4
hex87c7168

142373224 has 48 divisors (see below), whose sum is σ = 311986080. Its totient is φ = 60732000.

The previous prime is 142373201. The next prime is 142373233. The reversal of 142373224 is 422373241.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 142373192 and 142373201.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 97669 + ... + 99115.

It is an arithmetic number, because the mean of its divisors is an integer number (6499710).

Almost surely, 2142373224 is an apocalyptic number.

142373224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142373224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155993040).

142373224 is an abundant number, since it is smaller than the sum of its proper divisors (169612856).

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

142373224 is a wasteful number, since it uses less digits than its factorization.

142373224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718 (or 1707 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 142373224 is about 11932.0251424475. The cubic root of 142373224 is about 522.1670218065.

It can be divided in two parts, 1423 and 73224, that added together give a palindrome (74647).

The spelling of 142373224 in words is "one hundred forty-two million, three hundred seventy-three thousand, two hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 251 392 502 1004 1447 1757 2008 2894 3514 5788 7028 10129 11576 12299 14056 20258 24598 40516 49196 70903 81032 98392 141806 283612 363197 567224 726394 1452788 2542379 2905576 5084758 10169516 17796653 20339032 35593306 71186612 142373224