Search a number
-
+
142234252 = 22139349733
BaseRepresentation
bin10000111101001…
…01001010001100
3100220122020201021
420132211022030
5242402444002
622040323524
73344654056
oct1036451214
9326566637
10142234252
1173318776
123b7735a4
13236102a4
1414c668d6
15c748737
hex87a528c

142234252 has 24 divisors (see below), whose sum is σ = 251762000. Its totient is φ = 70307136.

The previous prime is 142234243. The next prime is 142234273. The reversal of 142234252 is 252432241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193678 + ... + 194410.

Almost surely, 2142234252 is an apocalyptic number.

It is an amenable number.

142234252 is a deficient number, since it is larger than the sum of its proper divisors (109527748).

142234252 is a wasteful number, since it uses less digits than its factorization.

142234252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1223 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 142234252 is about 11926.2002331002. The cubic root of 142234252 is about 521.9970689246.

Adding to 142234252 its reverse (252432241), we get a palindrome (394666493).

The spelling of 142234252 in words is "one hundred forty-two million, two hundred thirty-four thousand, two hundred fifty-two".

Divisors: 1 2 4 139 278 349 556 698 733 1396 1466 2932 48511 97022 101887 194044 203774 255817 407548 511634 1023268 35558563 71117126 142234252