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142016244 = 22373162119
BaseRepresentation
bin10000111011011…
…11111011110100
3100220020011122220
420131233323310
5242324004434
622031522340
73343055346
oct1035577364
9326204586
10142016244
11731899a7
123b6893b0
1323564ca6
1414c0b296
15c703d49
hex876fef4

142016244 has 24 divisors (see below), whose sum is σ = 335912640. Its totient is φ = 46689984.

The previous prime is 142016243. The next prime is 142016257. The reversal of 142016244 is 442610241.

It is a happy number.

It is a super-3 number, since 3×1420162443 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142016243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80184 + ... + 81935.

It is an arithmetic number, because the mean of its divisors is an integer number (13996360).

Almost surely, 2142016244 is an apocalyptic number.

It is an amenable number.

142016244 is an abundant number, since it is smaller than the sum of its proper divisors (193896396).

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

142016244 is a wasteful number, since it uses less digits than its factorization.

142016244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162199 (or 162197 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 142016244 is about 11917.0568514210. The cubic root of 142016244 is about 521.7302374438.

Adding to 142016244 its reverse (442610241), we get a palindrome (584626485).

The spelling of 142016244 in words is "one hundred forty-two million, sixteen thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 162119 324238 486357 648476 972714 1945428 11834687 23669374 35504061 47338748 71008122 142016244