Search a number
-
+
142401528 = 23324148239
BaseRepresentation
bin10000111110011…
…01111111111000
3100220221202011200
420133031333320
5242423322103
622044054200
73346251543
oct1037157770
9326852150
10142401528
1173422415
123b834360
132366b479
1414cab85a
15c77d0a3
hex87cdff8

142401528 has 48 divisors (see below), whose sum is σ = 395085600. Its totient is φ = 46308480.

The previous prime is 142401491. The next prime is 142401547. The reversal of 142401528 is 825104241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21168 + ... + 27071.

It is an arithmetic number, because the mean of its divisors is an integer number (8230950).

Almost surely, 2142401528 is an apocalyptic number.

142401528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

142401528 is an abundant number, since it is smaller than the sum of its proper divisors (252684072).

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

142401528 is a wasteful number, since it uses less digits than its factorization.

142401528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48292 (or 48285 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 142401528 is about 11933.2111353148. The cubic root of 142401528 is about 522.2016220300.

Adding to 142401528 its reverse (825104241), we get a palindrome (967505769).

The spelling of 142401528 in words is "one hundred forty-two million, four hundred one thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 41 72 82 123 164 246 328 369 492 738 984 1476 2952 48239 96478 144717 192956 289434 385912 434151 578868 868302 1157736 1736604 1977799 3473208 3955598 5933397 7911196 11866794 15822392 17800191 23733588 35600382 47467176 71200764 142401528