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142242232 = 23114333733
BaseRepresentation
bin10000111101001…
…11000110111000
3100220122122122211
420132213012320
5242403222412
622040424504
73345016246
oct1036470670
9326578584
10142242232
1173323770
123b778134
1323613b02
1414c69796
15c74aca7
hex87a71b8

142242232 has 32 divisors (see below), whose sum is σ = 291700080. Its totient is φ = 64488960.

The previous prime is 142242211. The next prime is 142242259. The reversal of 142242232 is 232242241.

142242232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 36238 + ... + 39970.

Almost surely, 2142242232 is an apocalyptic number.

It is an amenable number.

142242232 is an abundant number, since it is smaller than the sum of its proper divisors (149457848).

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

142242232 is a wasteful number, since it uses less digits than its factorization.

142242232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183 (or 4179 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 142242232 is about 11926.5347859301. The cubic root of 142242232 is about 522.0068308927.

Adding to 142242232 its reverse (232242241), we get a palindrome (374484473).

Subtracting 142242232 from its reverse (232242241), we obtain a palindrome (90000009).

The spelling of 142242232 in words is "one hundred forty-two million, two hundred forty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 433 866 1732 3464 3733 4763 7466 9526 14932 19052 29864 38104 41063 82126 164252 328504 1616389 3232778 6465556 12931112 17780279 35560558 71121116 142242232